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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Quantitative about Significant Unobservable Inputs Used to Determine Fair Value of Impairment of Long-Lived Assets Held and Used (Details) - USD ($) $ in Millions	2 Months Ended	3 Months Ended							10 Months Ended	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of Long-Lived Assets										$ 23.4	$ 2.6	$ 20.3
Total	$ 10.1	$ 3.4	$ 10.7	$ 13.7	$ 0.7	$ 0.2	$ 0.4	$ 1.3	$ 2.3	37.9	2.6	$ 20.3
Machinery and equipment \| Discounted Cash Flows, Indicative Bids \| Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of Long-Lived Assets										23.4	$ 2.6
Land and Building \| Indicative Bids \| Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of Net Assets Held for Sale										$ 14.5

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

11 Months Ended

Sep. 30, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

The Business

Greif, Inc. and its subsidiaries (collectively, “Greif,” “our,” or the “Company”), principally manufacture rigid industrial packaging products, such as steel, fibre and plastic drums, rigid intermediate bulk containers, jerrycans and other small plastics, closure systems for industrial packaging products, water bottles and remanufactured and reconditioned industrial containers, and services, such as container life cycle management, logistics, warehousing and other packaging services. The Company produces and sells coated recycled paperboard and uncoated recycled paperboard, some of which are used to produce and sell industrial products (tubes and cores, construction products and protective packaging). The Company produces and sells bulk and specialty partitions made from uncoated recycled paperboard and containerboard. In addition, the Company also purchases and sells recycled fiber, produces and sells adhesives used in the Company’s paperboard products and produce and sell paints and linings used in our steel drum products. Prior to October 1, 2025, the Company owned timber properties in the southeastern United States which were actively harvested and regenerated. The Company operates in over 35 countries.

Due to the variety of its products, the Company has many customers buying different products and due to the scope of the Company’s sales, no one customer is considered principal in the total operations of the Company.

The Company supplies a cross section of industries, such as chemicals, paints and pigments, food and beverage, petroleum, industrial coatings, agriculture, pharmaceuticals, minerals, packaging, automotive and building products, and makes spot deliveries on a day-to-day basis as its products are required by its customers. The Company does not operate on a backlog to any significant extent and maintains only limited levels of finished goods. Many customers place their orders weekly for delivery during the same week.

The Company’s raw materials are principally steel, resin, old corrugated containers, recycled coated and uncoated paperboard and used industrial packaging for reconditioning.

Principles of Consolidation

Principles of Consolidation and Basis of Presentation

The consolidated financial statements include the accounts of Greif, Inc., all wholly owned and majority-owned subsidiaries, joint ventures controlled by the Company or for which the Company is the primary beneficiary and equity earnings of unconsolidated affiliates. All intercompany transactions and balances have been eliminated in consolidation. Investments in unconsolidated affiliates are accounted for using the equity method based on the Company’s ownership interest in the unconsolidated affiliate.

The Company’s consolidated financial statements are presented in accordance with accounting principles generally accepted in the United States (“GAAP”). Certain prior year amounts have been reclassified to conform to the current year presentation.

For the 2024 fiscal year and preceding fiscal years presented herein, the Company’s fiscal year began on November 1 and ended on October 31 of the following year. Any references to years or to any quarter of those years, relates to the fiscal year or quarter, as the case may be, ended in that year, unless otherwise stated. The Company changed its fiscal year end, effective for the 2025 fiscal year. The 2025 fiscal year began on November 1, 2024 and ended on September 30, 2025, and accordingly, consisted of eleven months. The Company’s fourth fiscal quarter of 2025 consisted of two months ended September 30, 2025. Thereafter, the Company’s fiscal year will begin on October 1 and end on September 30 of the following year.

Basis of Presentation

Principles of Consolidation and Basis of Presentation

Discontinued Operations

On June 30, 2025, the Company entered into a definitive agreement to sell its containerboard business, including the CorrChoice sheet feeder system (the “Containerboard Business”), and the equity interests in our subsidiaries that directly owned the Containerboard Business on the date of closing. The transaction was completed effective as of August 31, 2025 (“the Containerboard Divestiture”). The Containerboard Divestiture qualifies as discontinued operations because it represents a strategic shift that will have a major impact on the Company’s operations and financial results. As a result, the Containerboard Business is presented as discontinued operations beginning in the third quarter of 2025. See Note 2 herein for additional information regarding discontinued operations.

The Company has reclassified the financial results of the Containerboard Business to discontinued operations, net of tax, in the consolidated statements of income for all periods presented. The Company also reclassified the related assets and liabilities as assets and liabilities held for sale on the consolidated balance sheets as of October 31, 2024. Cash flows from the Company’s discontinued operations are not presented separately in the consolidated statements of cash flows for all periods presented. Unless otherwise noted, the discussion in these Notes to the consolidated financial statements relates only to continuing operations.

Recast of Certain Prior Period Information

In December 2024, the Company announced changes to its reporting structure, moving to a material solution-based structure. The Company believes this structure will enable the Company to more efficiently utilize its robust scale and global network of facilities, align operations to capitalize on its deep subject matter expertise, enable further innovation and growth, and optimize cross-selling and margin expansion opportunities. This internal re-alignment has resulted in a change in the Company’s reportable segments. Prior period segment information for the 2024 and 2023 fiscal year has been recast to conform to the way the Company internally manages and monitors its business during the 2025 fiscal year.

The recast of prior period information had no impact on the Company’s consolidated balance sheets, consolidated statements of income, consolidated statements of comprehensive income, consolidated statements of changes in shareholders’ equity and the consolidated statements of cash flows.

Use of Estimates

The preparation of consolidated financial statements in conformity with GAAP requires management to make certain estimates, judgments and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual amounts could differ from estimates. The Company reviews these estimates on an ongoing basis.

Cash and Cash Equivalents

The Company considers highly liquid investments with an original maturity of three months or less to be cash equivalents. The carrying value of cash equivalents approximates fair value.

Allowance for Doubtful Accounts

The Company recognizes allowances for bad debts based on the length of time receivables are past due with allowance percentages, based on its historical experiences, applied on a graduated scale relative to the age of the receivable amounts. If the Company is aware of a specific customer’s inability to meet its financial obligations to the Company, the Company records a specific allowance for bad debts. Amounts deemed uncollectible are written-off against the allowance for doubtful accounts.

Inventory

The Company primarily uses the FIFO method of inventory valuation. Reserves for slow moving and obsolete inventories are provided based on historical experience, inventory aging and product demand.

Goodwill and Indefinite-Lived Intangibles

Goodwill is the excess of the purchase price of an acquired entity over the amounts assigned to tangible and intangible assets and liabilities assumed in the business combination. The Company accounts for goodwill and purchased indefinite-lived intangible assets in accordance with Accounting Standards Codification (“ASC”) 350, “Intangibles – Goodwill and Other.” Under ASC 350, goodwill and purchased intangible assets with indefinite lives are not amortized, but instead are tested for impairment at least annually. The Company tests for impairment of goodwill and indefinite-lived intangible assets as of August 1, or more frequently if certain indicators are present or changes in circumstances suggest that impairment may exist.

In accordance with ASC 350, the quantitative test for goodwill impairment is conducted at the reporting unit level by comparing the carrying value of each reporting unit to the estimated fair value of the unit. If the carrying value of a reporting unit exceeds its estimated fair value, then the goodwill of the reporting unit is impaired. Goodwill impairment is recognized as the amount that the carrying value exceeds the fair value; not to exceed the balance of goodwill attributable to the reporting unit. When a portion of a reporting unit is disposed of, goodwill is allocated to the gain or loss on that disposition based on the

relative fair values of the portion of the reporting unit subject to disposition and the portion of the reporting unit that will be retained.

The Company’s determinations of estimated fair value of the reporting units are based on both the market approach and a discounted cash flow analysis utilizing the income approach. Under the market approach, the principal inputs are market prices and valuation multiples for public companies engaged in businesses that are considered comparable to the reporting unit. Under the income approach, the principal inputs are the reporting unit’s cash-generating capabilities and the discount rate. The discount rates used in the income approach are based on a market participant’s weighted average cost of capital. The use of alternative estimates, including different peer groups or changes in the industry, or adjusting the discount rate, earnings before interest, taxes, depreciation, depletion and amortization forecasts or cash flow assumptions used could affect the estimated fair value of the reporting units and potentially result in goodwill impairment. Any identified impairment would result in an expense to the Company’s results of operations. See Note 3 herein for additional information regarding goodwill and other intangible assets.

Other Intangibles

Business Combinations

From time to time, the Company acquires businesses and/or assets that augment and complement its operations. In accordance with ASC 805, “Business Combinations,” these acquisitions are accounted for under the purchase method of accounting. Under this method, the Company allocates the fair value of purchase consideration transferred to the tangible and intangible assets acquired and liabilities assumed based on their estimated fair values on the date of the acquisition. The excess purchase consideration over the aggregate fair value of tangible and intangible assets, net of liabilities assumed, is recorded as goodwill. The Company’s estimates of fair value are based upon assumptions believed to be reasonable, but which are inherently uncertain and unpredictable and, as a result, actual results may differ from estimates.

During the measurement period, not to exceed one year from the date of acquisition, the Company may record adjustments to the assets acquired and liabilities assumed, with a corresponding offset to goodwill if new information is obtained related to facts and circumstances that existed as of the acquisition date. After the measurement period, any subsequent adjustments are reflected in the consolidated statements of income. Acquisition costs, such as legal and consulting fees, are expensed as incurred.

The Company classifies costs incurred in connection with acquisitions and their integration as acquisition and integration related costs. These costs are expensed as incurred and consist primarily of transaction costs, legal and consulting fees, integration costs and changes in the fair value of contingent payments (earn-outs) and are recorded within Acquisition and Integration related Costs line item presented on the consolidated income statement. Acquisition transaction costs are incurred during the initial evaluation of a potential targeted acquisition and primarily relate to costs to analyze, negotiate and consummate the transaction as well as financial and legal due diligence activities. Post-acquisition integration activities are costs incurred to combine the operations of an acquired enterprise into the Company’s operations.

The consolidated financial statements include the results of operations from these business combinations from the date of acquisition.

Internal Use Software

Internal use software is accounted for under ASC 985, “Software.” Internal use software is software that is acquired, internally developed or modified solely to meet the Company’s needs and for which, during the software’s development or modification, a plan does not exist to market the software externally. Costs incurred to acquire and develop the software during the

application development stage and for upgrades and enhancements that provide additional functionality are capitalized and then amortized over a 3 to 7 year period.

Long-Lived Assets

Properties, plants and equipment are stated at cost. Depreciation on properties, plants and equipment is provided on the straight-line method over the estimated useful lives of the assets, with general useful lives of the assets as follows:


			Years
Buildings			30
Machinery and equipment			10-15

Expenditures for repairs and maintenance are charged to expense as incurred. When properties are retired or otherwise disposed of, the cost and accumulated depreciation are eliminated from the asset and related allowance accounts. Gains or losses are credited or charged to income as incurred.

The Company capitalizes interest on long-term fixed asset projects using a rate that approximates the weighted average cost of borrowing.

The Company tests for impairment of properties, plants and equipment if certain indicators are present to suggest that impairment may exist. Long-lived assets are grouped together at the lowest level, generally at the plant level, for which identifiable cash flows are largely independent of cash flows of other groups of long-lived assets. As events warrant, the Company evaluates the recoverability of long-lived assets, other than goodwill and indefinite-lived intangible assets, by assessing whether the carrying value can be recovered over their remaining useful lives through the expected future undiscounted operating cash flows of the underlying business. Future decisions to change the Company’s manufacturing processes, exit certain businesses, reduce excess capacity, temporarily idle facilities and close facilities could also result in material impairment losses. Any impairment loss that may be required is determined by comparing the carrying value of the assets to their estimated fair value.

The Company’s land costs are maintained by tract. Upon acquisition of a new timberland tract, the Company records separate amounts for land, merchantable timber and pre-merchantable timber allocated as a percentage of the values being purchased. The Company begins recording pre-merchantable timber costs at the time the site is prepared for planting. Costs capitalized during the establishment period include site preparation by aerial spray, costs of seedlings, including refrigeration rental and trucking, planting costs, herbaceous weed control, woody release and labor and machinery use. The Company does not capitalize interest costs in the process.Road repairs and maintenance costs are expensed as incurred. Costs after establishment of the seedlings, including management costs, pre-commercial thinning costs and fertilization costs, are expensed as incurred. Once the timber becomes merchantable, the cost is transferred from the pre-merchantable timber category to the merchantable timber category in the depletion block.

Leases

Leases are accounted for under ASC 842, “Leases” and are categorized as operating or financing leases at inception. The lease term is also determined at lease inception and generally begins on the date the Company takes possession of the full or partial portions of leased premises. Operating lease right of use assets and liabilities are recognized at the commencement date based on the present value of lease payments over the lease term. Operating lease liabilities represent the present value of lease payments not yet paid. Operating lease right of use assets represent the Company’s right to use an underlying asset and are based upon the operating lease liabilities adjusted for prepayments or accrued lease payments, initial direct costs, lease incentives, and impairment of operating lease assets. As most of the Company’s leases do not provide an implicit rate, the

Company uses its incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. Operating lease expense is recognized on a straight-line basis over the lease term. For operating leases with variable payments dependent upon an index or rate that commence, the Company applies the active index or rate as of the lease commencement date. Variable lease payments not based on an index or rate are not included in the operating lease liability as they cannot be reasonably estimated and are recognized in the period in which the obligation for those payments is incurred. Leases with a term of twelve months or less upon the commencement date are considered short-term leases, are not included on the Company’s consolidated balance sheets and are expensed over the lease term.

Self-insurance

The Company is self-insured for certain of the claims made under its employee medical and dental insurance programs.These costs include an estimate for expected settlements on pending claims, administrative fees and an estimate for claims incurred but not reported. These estimates are based on management’s assessment of outstanding claims, historical analyses and current payment trends. The Company recorded an estimate for the claims incurred, but not reported using an estimated lag period based upon historical information.The Company has certain deductibles applied to various insurance policies including general liability, product, vehicle and workers’ compensation.These costs include an estimate for expected settlements on pending claims, defense costs and an estimate for claims incurred but not reported. These estimates are based on the Company’s assessment of its deductibles, outstanding claims, historical analysis, actuarial information and current payment trends.

Income Taxes

Income taxes are accounted for under ASC 740, “Income Taxes.” In accordance with ASC 740, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases, as measured by enacted tax rates that are expected to be in effect in the periods when the deferred tax assets and liabilities are expected to be settled or realized. Valuation allowances are established when management believes it is more likely than not that some portion of the deferred tax assets will not be realized.

The Company’s effective tax rate is impacted by the amount of income generated in each taxing jurisdiction, statutory tax rates and tax planning opportunities available to the Company in the various jurisdictions in which the Company operates. Significant judgment is required in determining the Company’s effective tax rate and in evaluating its tax positions.

Tax benefits from uncertain tax positions are recognized when it is more likely than not that the position will be sustained upon examination, including resolutions of any related appeals or litigation processes, based on the technical merits. The amount recognized is measured as the largest amount of tax benefit that is greater than 50 percent likely of being realized upon settlement. The Company’s effective tax rate includes the impact of reserve provisions and changes to reserves on uncertain tax positions that are not more likely than not to be sustained upon examination as well as related interest and penalties.

A number of years may elapse before a particular matter, for which the Company has established a reserve, is audited and finally resolved. The number of years with open tax audits varies depending on the tax jurisdiction. While it is often difficult to predict the final outcome or the timing of resolution of any particular tax matter, the Company believes that its reserves reflect the probable outcome of known tax contingencies. Unfavorable settlement of any particular issue would require use of the Company’s cash. Favorable resolution would be recognized as a reduction to the Company’s effective tax rate in the period of resolution.

Restructuring Charges and Business Transformation Charges

Restructuring Charges

The Company accounts for all exit or disposal activities in accordance with ASC 420, “Exit or Disposal Cost Obligations.” Under ASC 420, a liability is measured at its fair value and recognized as incurred.

For termination costs associated with employees who are involuntarily terminated under the terms of a one-time benefit arrangement, the Company recognizes liabilities and associated costs as of announcement date unless the employees are required to stay for a certain period of time after restructuring announcement and ratable recognition between the announcement date and termination date is materially different from announcement date recognition. For termination costs associated with a non-lease contract and costs incurred without economic benefit as a result of restructuring activities, the Company recognizes

liabilities and associated costs as of contract termination date. Facility exit and employee relocation costs are recognized and measured at their respective fair value in the period in which the liability is incurred. The liability is not recognized before it is incurred, even if the costs are incremental to other operating costs and will be incurred as a direct result of a plan.

Business Transformation Charges

Business transformation charges includes costs incurred under the Company’s business transformation program, primarily represents costs associated with third party professional services, information technology services and implementations and travel related activities. The Company includes business transformation charges in restructuring and other charges in the consolidated statements of income.

Revenue Recognition and Shipping and Handling Fees and Costs

Revenue Recognition

Revenue is measured as the amount of consideration the Company expects to be entitled to in exchange for transferring goods or providing services. Customer payment terms are typically less than one year and as such, transaction prices are not adjusted for the effects of a significant financing component. Standalone selling prices for each performance obligation are generally stated in the contract. Variable consideration in the form of quarterly or annual volume rebates is estimated based on contract terms and historical experience of actual results limited to the amount which is probable will not result in reversal of cumulative revenue recognized when the variable consideration is resolved. Taxes collected from customers and remitted to governmental authorities are excluded from net sales.

For the vast majority of revenues, contracts with customers are either a purchase order or the combination of a purchase order with a master supply agreement. A performance obligation is considered an individual unit sold. The Company does not bundle products. Prices negotiated with each individual customer are representative of the stand-alone selling price of the product. The Company typically satisfies the performance obligation at a point in time when control is transferred to customers. The point in time when control of goods is transferred is largely dependent on delivery terms.

Contract liabilities relate primarily to prepayments received from the Company’s customers before revenue is recognized and from volume rebates to customers. These amounts are included in other current liabilities in the consolidated balance sheets. The Company does not have any material contract assets. Freight charged to customers is included in net sales in the statement of income.

The Company’s contracts with customers are broadly similar in nature throughout its reportable segments, but the amount, timing and uncertainty of revenue and cash flows may vary in each reportable segment due to geographic factors. See Note 13 herein for additional disclosures of revenue disaggregated by geography for each reportable segment. For the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023, no individual customer accounted for 10% or more of the Company’s total revenue.

Shipping and Handling Fees and Costs

The Company includes shipping and handling fees and costs in cost of products sold.

Other Expense, net

Other expense, net primarily represents foreign currency transaction gains and losses, non-service cost components of net periodic post-retirement benefit costs and other infrequent non-operating items.

Currency Translation

In accordance with ASC 830, “Foreign Currency Matters,” the assets and liabilities denominated in a foreign currency are translated into United States dollars at the rate of exchange existing at period-end, and revenues and expenses are translated at average exchange rates.

The cumulative translation adjustments, which represent the effects of translating assets and liabilities of the Company’s international operations, are presented in the consolidated statements of changes in shareholders’ equity in accumulated other comprehensive income (loss). Transaction gains and losses on foreign currency transactions denominated in a currency other than an entity’s functional currency are credited or charged to income. The amounts included in other expense, net related to foreign currency transaction losses were not material for the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023.

Derivative Financial Instruments

In accordance with ASC 815, “Derivatives and Hedging,” the Company records all derivatives in the consolidated balance sheet as either assets or liabilities measured at fair value. Dependent on the designation of the derivative instrument, changes in fair value are recorded to earnings or shareholders’ equity through other comprehensive income (loss).

The Company may from time to time use interest rate swap agreements to hedge against changing interest rates. For interest rate swap agreements designated as cash flow hedges, the net gain or loss on the derivative instrument is reported as a component of other comprehensive income (loss) and reclassified into earnings in the same period or periods during which the hedged transaction affects earnings. The Company’s interest rate swap agreements effectively convert a portion of floating rate debt to a fixed rate basis, thus reducing the impact of interest rate changes on future interest expense.

The Company’s cross currency interest rate swap agreements synthetically swap United States dollar denominated fixed rate debt for Euro denominated fixed rate debt and are designated as either net investment hedges or cash flow hedges for accounting purposes. The gain or loss on the net investment hedge derivative instruments is included in the foreign currency translation component of other comprehensive income until the net investment is sold, diluted, or liquidated. The gain or loss on the cash flow hedge derivative instruments is included in the unrealized foreign exchange component of other expense, offset by the underlying gain or loss on the underlying cash flows that are being hedged. Interest payments received from the cross currency swap are excluded from the net investment hedge effectiveness assessment and are recorded in interest expense, net on the consolidated statements of income.

The Company enters into currency forward contracts to hedge certain currency transactions and short-term intercompany loan balances with its international businesses. Such contracts limit the Company’s exposure to both favorable and unfavorable currency fluctuations. These contracts are adjusted to reflect market value as of each balance sheet date, with the resulting changes in fair value being recognized in other expense, net.

Any derivative contract that is either not designated as a hedge, or is so designated but is ineffective, has its changes to market value recognized in earnings immediately. If a cash flow or fair value hedge ceases to qualify for hedge accounting, the contract would continue to be carried on the balance sheet at fair value until settled and have the adjustments to the contract’s fair value recognized in earnings. If a forecasted transaction were no longer probable to occur, amounts previously deferred in accumulated other comprehensive income (loss) would be recognized immediately in earnings.

Fair Value

The Company uses ASC 820, “Fair Value Measurements and Disclosures” to account for fair value. ASC 820 defines fair value, establishes a framework for measuring fair value in GAAP and expands disclosures about assets and liabilities measured at fair value. Additionally, this standard established a three-level fair value hierarchy that prioritizes the inputs used to measure fair value. This hierarchy requires entities to maximize the use of observable inputs and minimize the use of unobservable inputs.

The three levels of inputs used to measure fair values are as follows:

•Level 1 – Observable inputs such as unadjusted quoted prices in active markets for identical assets and liabilities.

•Level 2 – Observable inputs other than quoted prices in active markets for identical assets and liabilities.

•Level 3 – Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets and liabilities.

The Company presents various fair value disclosures in Note 6 and Note 9 of the Notes to Consolidated Financial Statements included in Item 8 of this Form 10-KT.

Newly Adopted and Recently Issued Accounting Standards

Newly Adopted Accounting Standards

In November 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures,” which is intended to improve reportable segment disclosure requirements. This ASU is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024, with early adoption permitted. The Company adopted this ASU on November 1, 2024. The adoption of this guidance did not have a material impact on the Company's financial position, results of operations, comprehensive income, cash flows or disclosures.

Recently Issued Accounting Standards

In September 2025, the FASB issued ASU 2025-06, “Intangibles—Goodwill and Other—Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software,” which is intended to modernize the accounting for internal-use software costs. This ASU is effective for fiscal years beginning after December 15, 2027, and interim reporting periods within those annual reporting periods, with early adoption permitted. The effective date for the Company to adopt this ASU is for the fiscal year and interim periods beginning October 1, 2028. The Company is in the process of determining the potential impact of adopting this guidance on its financial position, results of operations, comprehensive income, cash flow and disclosures.

In November 2024, the FASB issued ASU 2024-03, “Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses,” which is intended to improve disclosures related to certain income statement expenses of the Company. This ASU is effective for fiscal years beginning after December 15, 2026, and interim periods within fiscal years beginning after December 15, 2027, with early adoption permitted. The effective date for the Company to adopt this ASU is for the fiscal year and interim periods beginning October 1, 2027 and October 1, 2028 respectively. The Company is in the process of determining the potential impact of adopting this guidance on its financial position, results of operations, comprehensive income, cash flow and disclosures.

In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Tax Disclosures,” which is intended to improve the effectiveness of income tax disclosures. This ASU is effective for fiscal years beginning after December 15, 2024, with early adoption permitted. The effective date for the Company to adopt this ASU is for the fiscal year beginning October 1, 2025. The Company is in the process of determining the potential impact of adopting this guidance on its financial position, results of operations, comprehensive income, cash flow and disclosures.

GOODWILL AND OTHER INTANGIBLE ASSETS

11 Months Ended

Sep. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND OTHER INTANGIBLE ASSETS

In December 2024, the Company announced changes to its reporting structure, effective November 1, 2024, moving to a material solution-based structure. This internal re-alignment has resulted in a change in the Company’s reportable segments from three: Global Industrial Packaging; Paper Packaging & Services; and Land Management; to four: Customized Polymer Solutions; Durable Metal Solutions; Sustainable Fiber Solutions; and Integrated Solutions.

Changes to the Company’s operating segments resulted in a change to the Company’s reporting units: Customized Polymer Solutions – Small Plastics & Jerrycans; Customized Polymer Solutions – Large/Medium Plastics; Customized Polymer Solutions – Intermediate Bulk Containers; Durable Metal Solutions; Sustainable Fiber Solutions – Boxboard & Converted; Sustainable Fiber Solutions – Land Management; and Integrated Solutions. As a result of this segment realignment, the Company allocated goodwill to the reporting units existing under the new organizational structure on a relative fair value basis as of the first quarter of 2025.

In conjunction with the goodwill allocation described above, the Company tested its reporting units for potential impairment immediately before and after the segment realignment and concluded that the estimated fair value of each reporting unit exceeded its respective carrying value.

The following table summarizes the changes in the carrying amount of goodwill by reportable segment for the years ended September 30, 2025 (11-month) and October 31, 2024:


(in millions)	Global Industrial Packaging		Paper Packaging & Services		Customized Polymer Solutions		Durable Metal Solutions		Sustainable Fiber Solutions		Integrated Solutions		Total
Balance at October 31, 2023	$	887.6	$	507.2	$	—	$	—	$	—	$	—	$	1,394.8
Goodwill acquired	278.5		—		—		—		—		—		278.5
Goodwill allocated to divestitures	(26.1)		—		—		—		—		—		(26.1)


Currency translation	8.3		—		—		—		—		—		8.3
Balance at October 31, 2024	$	1,148.3	$	507.2	$	—	$	—	$	—	$	—	$	1,655.5
Segment recast	(1,148.3)		(507.2)		607.9		401.8		475.9		169.9		—
Goodwill acquired / Measurement period adjustment	—		—		(18.0)		—		—		—		(18.0)



Currency translation	—		—		32.5		16.9		—		9.6		59.0
Balance at September 30, 2025	$	—	$	—	$	622.4	$	418.7	$	475.9	$	179.5	$	1,696.5

The Company reviews goodwill by reporting unit and indefinite-lived intangible assets for impairment as required by ASC 350, “Intangibles – Goodwill and Other,” at least annually on August 1, or whenever events and circumstances indicate impairment may have occurred. A reporting unit is the operating segment, or a business unit one level below that operating segment (the component level) if discrete financial information is prepared and regularly reviewed by segment management. The components are aggregated into reporting units for purposes of goodwill impairment testing to the extent they share similar qualitative and quantitative characteristics.

The Company performed its annual goodwill impairment test as of August 1, 2025. The fair value of the Company’s goodwill reporting units exceeded the carrying value, resulting in no impairment. Discount rates, revenue growth rates and gross margins are the assumptions that are most sensitive and susceptible to change as they require significant management judgment. In addition, certain future events and circumstances, including deterioration of market conditions, higher cost of capital, a decline in actual and expected consumption and demand, could result in changes to these assumptions and judgments. A revision of these assumptions could cause the fair value of the reporting unit to fall below its respective carrying value. As for all of the Company’s reporting units, if in future years, the reporting unit’s actual results are not consistent with the Company’s estimates and assumptions used to calculate fair value, the Company may be required to recognize material impairments to goodwill.

The following table summarizes the carrying amount of net intangible assets by class as of September 30, 2025 and October 31, 2024:


(in millions)	Gross Intangible Assets		Accumulated Amortization		Net Intangible Assets
September 30, 2025:
Indefinite lived:
Trademarks and trade names	$	3.9	$	—	$	3.9
Definite lived:
Customer relationships	1,184.8		408.6		776.2
Trademarks and trade names	53.8		28.0		25.8
Developed technology	42.1		8.5		33.6
Other	2.1		0.7		1.4
Total	$	1,286.7	$	445.8	$	840.9

October 31, 2024:
Indefinite lived:
Trademarks and trade names	$	3.9	$	—	$	3.9
Definite lived:
Customer relationships	1,187.6		332.1		855.5
Trademarks and trade names	54.8		18.8		36.0
Developed technology	38.9		3.3		35.6
Other	2.1		0.4		1.7
Total	$	1,287.3	$	354.6	$	932.7

Gross intangible assets decreased by $0.6 million for the year ended September 30, 2025 (11-month). The decrease was attributable to $16.4 million from asset disposals, $2.6 million of impairment and the write-off of $0.3 million fully amortized assets, which was offset by $14.8 million of currency fluctuations and $3.9 million additional assets from immaterial acquisitions.

Amortization expense was $88.4 million, $90.0 million and $70.3 million for the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023, respectively. Amortization expense for the next five years is expected to be $94.9 million in 2026, $94.7 million in 2027, $90.7 million in 2028, $86.1 million in 2029 and $85.2 million in 2030.

Definite lived intangible assets for the periods presented are subject to amortization and are being amortized using the straight-line method over periods that are contractually or legally determined, or over the period a market participant would benefit from the asset. Indefinite lived intangibles of approximately $3.9 million as of September 30, 2025, related primarily to the Tri-Sure trademark and trade name related to Pachmas, are not amortized, but rather are tested for impairment at least annually.

DEBT - Long-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Debt Instrument [Line Items]
Long-term debt	$ 919.4	$ 2,729.1
Less current portion	0.0	95.8
Less deferred financing costs	4.6	7.1
Long-term debt, net	914.8	2,626.2
Other debt
Debt Instrument [Line Items]
Long-term debt	0.0	1.3
Term Loan \| 2022 Credit Agreement
Debt Instrument [Line Items]
Long-term debt	784.1	1,707.4
Term Loan \| 2023 Credit Agreement
Debt Instrument [Line Items]
Long-term debt	135.3	288.8
Domestic Line of Credit
Debt Instrument [Line Items]
Long-term debt	0.0	357.9
Revolving Credit Facility \| 2022 Credit Agreement
Debt Instrument [Line Items]
Long-term debt	$ 0.0	$ 373.7

Cover - USD ($)	11 Months Ended
Cover - USD ($)	Sep. 30, 2025	Nov. 14, 2025	Apr. 30, 2025
Document Information [Line Items]
Document Type	10-KT
Document Annual Report	false
Document Transition Report	true
Document Period Start Date	Nov. 01, 2024
Document Period End Date	Sep. 30, 2025
Current Fiscal Year End Date	--09-30
Entity File Number	001-00566
Entity Registrant Name	GREIF, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	31-4388903
Entity Address, Address Line One	425 Winter Road
Entity Address, City or Town	Delaware
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	43015
City Area Code	740
Local Phone Number	549-6000
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Documents Incorporated by Reference	The Registrant’s Definitive Proxy Statement for use in connection with the Annual Meeting of Stockholders to be held on February 23, 2026 (the “2026 Proxy Statement”), portions of which are incorporated by reference into Parts II and III of this Form 10-KT. The 2026 Proxy Statement will be filed within 120 days of September 30, 2025.
Amendment Flag	false
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	FY
Entity Central Index Key	0000043920
Earnings per Class A common stock - basic
Document Information [Line Items]
Title of 12(b) Security	Class A Common Stock
Trading Symbol	GEF
Security Exchange Name	NYSE
Entity Public Float			$ 1,322,014,218
Entity Common Stock, Shares Outstanding		25,996,487
Earnings per Class B common stock - basic
Document Information [Line Items]
Title of 12(b) Security	Class B Common Stock
Trading Symbol	GEF.B
Security Exchange Name	NYSE
Entity Public Float			$ 259,425,578
Entity Common Stock, Shares Outstanding		21,325,535

EARNINGS PER SHARE - Reconciliation of Shares Used to Calculate Basic and Diluted Earnings Per Share (Details) - shares	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Class A common stock
Class of Stock [Line Items]
Basic shares (in shares)	26,076,015	25,751,386	25,592,928
Assumed conversion of stock options and unvested shares (shares)	268,937	226,015	406,303
Diluted shares (in shares)	26,344,952	25,977,401	25,999,231
Class B common stock
Class of Stock [Line Items]
Basic shares (in shares)	21,331,127	21,331,127	21,472,531
Diluted shares (in shares)	21,331,127	21,331,127	21,472,531

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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-Subparagraph (b)
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Reference 14: http://www.xbrl.org/2003/role/disclosureRef
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Reference 15: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

REDEEMABLE NONCONTROLLING INTERESTS (Tables)

11 Months Ended

Sep. 30, 2025

Noncontrolling Interest [Abstract]

Schedule of Redeemable Noncontrolling Interest

The following table provides the rollforward of the redeemable noncontrolling interest for the years ended September 30, 2025 (11-month) and October 31, 2024:


(in millions)	Redeemable Noncontrolling Interest
Balance as of October 31, 2023	$	125.3
Current period mark to redemption value	(1.0)

Acquisition of redeemable shareholder interest	2.0
Redeemable noncontrolling interest share of income	8.5
Dividends to redeemable noncontrolling interest and other	(4.9)
Balance as of October 31, 2024	129.9
Current period mark to redemption value	4.6
Repurchase of redeemable shareholder interest	(40.9)

Redeemable noncontrolling interest share of income	6.6
Dividends to redeemable noncontrolling interest and other	(7.9)
Balance as of September 30, 2025	$	92.3

RESTRUCTURING CHARGES - Reconciliation of Total Amounts Expected to be Incurred from Open Restructuring Plans Anticipated to be Realized (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	$ 61.9
Amounts Incurred During the Eleven Months ended September 30, 2025	40.3	$ 5.4	$ 18.7
Amounts Remaining to be Incurred	21.6
Employee Separation Costs
Restructuring Cost and Reserve [Line Items]
Amounts Incurred During the Eleven Months ended September 30, 2025	28.2	7.6	11.8
Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Amounts Incurred During the Eleven Months ended September 30, 2025	12.1	$ 6.8	$ 6.9
Customized Polymer Solutions
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	5.4
Amounts Incurred During the Eleven Months ended September 30, 2025	4.6
Amounts Remaining to be Incurred	0.8
Customized Polymer Solutions \| Employee Separation Costs
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	5.0
Amounts Incurred During the Eleven Months ended September 30, 2025	4.2
Amounts Remaining to be Incurred	0.8
Customized Polymer Solutions \| Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	0.4
Amounts Incurred During the Eleven Months ended September 30, 2025	0.4
Amounts Remaining to be Incurred	0.0
Durable Metal Solutions
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	16.9
Amounts Incurred During the Eleven Months ended September 30, 2025	7.6
Amounts Remaining to be Incurred	9.3
Durable Metal Solutions \| Employee Separation Costs
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	8.6
Amounts Incurred During the Eleven Months ended September 30, 2025	6.9
Amounts Remaining to be Incurred	1.7
Durable Metal Solutions \| Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	8.3
Amounts Incurred During the Eleven Months ended September 30, 2025	0.7
Amounts Remaining to be Incurred	7.6
Sustainable Fiber Solutions
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	36.0
Amounts Incurred During the Eleven Months ended September 30, 2025	25.7
Amounts Remaining to be Incurred	10.3
Sustainable Fiber Solutions \| Employee Separation Costs
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	16.2
Amounts Incurred During the Eleven Months ended September 30, 2025	15.0
Amounts Remaining to be Incurred	1.2
Sustainable Fiber Solutions \| Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	19.8
Amounts Incurred During the Eleven Months ended September 30, 2025	10.7
Amounts Remaining to be Incurred	9.1
Integrated Solutions
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	3.6
Amounts Incurred During the Eleven Months ended September 30, 2025	2.4
Amounts Remaining to be Incurred	1.2
Integrated Solutions \| Employee Separation Costs
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	2.3
Amounts Incurred During the Eleven Months ended September 30, 2025	2.1
Amounts Remaining to be Incurred	0.2
Integrated Solutions \| Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Total Amounts Expected to be Incurred	1.3
Amounts Incurred During the Eleven Months ended September 30, 2025	0.3
Amounts Remaining to be Incurred	$ 1.0

POST-RETIREMENT BENEFIT PLANS - Amounts Recognized in Consolidated Financial Statements - Changes in Accumulated Other Comprehensive (Income) or Loss (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024
Defined Benefit Plan, Changes in Accumulated Other Comprehensive (Income) Loss [Roll Forward]
Accumulated other comprehensive loss at beginning of year	$ 114.3	$ 109.2
Increase or (decrease) in accumulated other comprehensive loss
Net prior service cost amortized	0.1	0.3
Net (gain) loss amortized	(0.5)	0.9
Liability (gain) loss	(11.8)	52.8
Asset gain	(3.1)	(53.5)
Other adjustments	0.0	0.3
(Decrease) increase in accumulated other comprehensive loss	(15.3)	0.8
Foreign currency impact	2.6	4.3
Accumulated other comprehensive loss at year end	$ 101.6	$ 114.3

STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions				11 Months Ended	12 Months Ended
	Dec. 13, 2024	Dec. 12, 2023	Dec. 14, 2022	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense				$ 30.2	$ 16.6	$ 21.1
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	123,800,000	120,843,000	105,753,000
Weighted average fair value of RSUs (in usd per share)	$ 66.61	$ 62.83	$ 68.99
Restricted Stock Units (RSUs) \| Earnings per Class A common stock - basic
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued in period (in shares)				49,269
Phantom Share Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	215,953,000	202,402,000	183,218,000
Weighted average fair value of RSUs (in usd per share)	$ 61.19	$ 60.77	$ 70.06
Performance Shares \| Earnings per Class A common stock - basic
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued in period (in shares)				161,641
2005 Outside Directors Equity Award Plan Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense				$ 1.4	$ 1.3	1.3
Granted (in shares)				24,012	20,925
Weighted average fair value of RSUs (in usd per share)				$ 59.95	$ 63.31
2020 Long Term Incentive Plan Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Long-term incentive plan, requisite service period				3 years
2020 Long Term Incentive Plan Restricted Stock \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period on the basis of service only				3 years
2020 Long Term Incentive Plan Restricted Stock \| Phantom Share Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Long-term incentive plan, requisite service period				3 years
Long Term Incentive Plan Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense				$ 28.8	$ 15.3	$ 19.8

COMPREHENSIVE INCOME (LOSS) (Tables)

11 Months Ended

Sep. 30, 2025

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table provides the roll forward of accumulated other comprehensive income (loss) for the years ended September 30, 2025 (11-month) and October 31, 2024:


(in millions)	Foreign Currency Translation		Derivative Financial Instruments		Minimum Pension Liability Adjustment		Accumulated Other Comprehensive Income (Loss)
Balance as of October 31, 2023	$	(317.7)	$	71.7	$	(70.5)	$	(316.5)
Other Comprehensive Income (Loss)	$	3.6	$	(37.8)	$	(4.4)	$	(38.6)

Balance as of October 31, 2024	$	(314.1)	$	33.9	$	(74.9)	$	(355.1)
Other Comprehensive Income (Loss)	113.0		(25.8)		17.1		104.3

Balance as of September 30, 2025	$	(201.1)	$	8.1	$	(57.8)	$	(250.8)

INCOME TAXES - Provision for Income Taxes (Details) - USD ($) $ in Millions	2 Months Ended	3 Months Ended							10 Months Ended	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Current
Federal										$ 21.8	$ 41.2	$ 61.7
State and local										11.1	7.4	15.6
Non-U.S.										60.2	59.8	49.1
Total Current										93.1	108.4	126.4
Deferred
Federal										(40.0)	(61.5)	(18.8)
State and local										2.0	(12.7)	(8.6)
Non-U.S.										9.7	(12.0)	(0.9)
Total Deferred										(28.3)	(86.2)	(28.3)
Tax expense	$ 26.8	$ 11.8	$ 23.6	$ 2.6	$ 6.2	$ 33.5	$ 21.3	$ (38.8)	$ 18.9	$ 64.8	$ 22.2	$ 98.1

DEBT

11 Months Ended

Sep. 30, 2025

Debt Disclosure [Abstract]

DEBT

Long-Term Debt

Long-term debt is summarized as follows:


(in millions)	September 30, 2025		October 31, 2024
2022 Credit Agreement - Term Loans	$	784.1	$	1,707.4
2023 Credit Agreement - Term Loans	135.3		288.8

Accounts receivable credit facilities	—		357.9
2022 Credit Agreement - Revolving Credit Facility	—		373.7

Other debt	—		1.3
	919.4		2,729.1
Less current portion	—		95.8
Less deferred financing costs	4.6		7.1
Long-term debt, net	$	914.8	$	2,626.2

Credit Agreements

The Company and certain of its subsidiaries are parties to a senior secured credit agreement (the “2022 Credit Agreement”) with a syndicate of financial institutions.

The 2022 Credit Agreement provides for (a) an $800.0 million secured revolving credit facility, consisting of a $725.0 million multicurrency facility and a $75.0 million U.S. dollar facility, maturing on March 1, 2027, (b) a $1,100.0 million secured term loan A-1 facility with quarterly principal installments that commenced on July 31, 2022 and continue through January 31, 2027, with any outstanding principal balance of such term loan A-1 facility being due and payable on maturity on March 1, 2027, and

(c) a $515.0 million secured term loan A-2 facility with quarterly principal installments that commenced on July 31, 2022 and continue through January 31, 2027, with any outstanding principal balance of such term loan A-2 being due and payable on maturity on March 1, 2027, and (d) as further described below, a $300.0 million incremental secured term loan A-4 facility with quarterly principal installments that commenced on April 30, 2024 and continue through January 31, 2027, with any outstanding principal balance of such term loan A-4 being due and payable on maturity on March 1, 2027. Subject to the terms of the 2022 Credit Agreement, the Company has an option to borrow additional funds under the 2022 Credit Agreement with the agreement of the lenders.

On March 25, 2024, the Company and certain of its subsidiaries entered into an incremental term loan agreement (the “Incremental Term Loan A-4 Agreement”) with a syndicate of financial institutions. The Incremental Term Loan A-4 Agreement is an amendment to the 2022 Credit Agreement. The Incremental Term Loan A-4 Agreement provided for a loan in the aggregate principal amount of $300.0 million that was made available in a single draw on March 25, 2024 (the “Incremental Term Loan A-4”). Amounts repaid or prepaid in respect of the Incremental Term Loan A-4 may not be reborrowed. The Incremental Term Loan A-4 amortizes at 2.50% per annum in equal quarterly principal installments, with the remaining outstanding principal balance due on March 1, 2027. The terms and provisions of the Incremental Term Loan A-4 are identical in all material respects to the terms and provisions of the other term loans made under the 2022 Credit Agreement. The Company’s obligations with respect to the Incremental Term Loan A-4 are secured and guaranteed with the other obligations under the 2022 Credit Agreement on a pari passu basis. The Company used the proceeds from the Incremental Term Loan A-4 to repay funds drawn on the revolving credit facility under the 2022 Credit Agreement for the purchase of Ipackchem on March 26, 2024.

Interest accruing under the 2022 Credit Agreement is based on Secured Overnight Financing Rate (“SOFR”) plus a credit spread adjustment or a base rate that resets periodically plus, in each case, a calculated margin amount that is based on the Company’s leverage ratio.

On May 17, 2023, the Company and Greif Packaging LLC, a direct wholly owned subsidiary of Greif, Inc. (“Greif Packaging”), entered into a $300.0 million senior secured credit agreement (the “2023 Credit Agreement” and, together with the 2022 Credit Agreement, the “2022 and 2023 Credit Agreements”) with CoBank, ACB (“CoBank”), which acted as a lender and is acting as administrative agent of the 2023 Credit Agreement. The 2023 Credit Agreement is permitted incremental equivalent debt under the terms of the 2022 Credit Agreement. The 2023 Credit Agreement provides for a $300.0 million secured term loan facility with quarterly principal installments that commenced on July 31, 2023 and continue through January 31, 2028, with any outstanding principal balance of such term loan being due and payable on maturity on May 17, 2028. The Company used the borrowing under the 2023 Credit Agreement to repay and refinance a portion of the outstanding borrowings under the 2022 Credit Agreement.

Interest accruing under the 2023 Credit Agreement is based on SOFR plus a credit spread adjustment or a base rate that resets periodically plus, in each case, a calculated margin amount that is based on the Company’s leverage ratio.

As of September 30, 2025, $919.4 million was outstanding under the 2022 and 2023 Credit Agreements, which was all classified as long-term. Proceeds received from the Containerboard Divestiture were used to repay debt. Due to the large, voluntary repayment and the terms of the agreement there are no further required scheduled payments due within the next 12 months. The weighted average interest rate for borrowings under the 2022 and 2023 Credit Agreements was 5.85% for the year ended September 30, 2025 (11-month). The actual interest rate for borrowings under the 2022 and 2023 Credit Agreements was 5.92% as of September 30, 2025. The deferred financing costs associated with the term loan portion of the 2022 and 2023 Credit Agreements totaled $4.6 million as of September 30, 2025 and are recorded as a reduction of long-term debt on the consolidated balance sheets. The deferred financing costs associated with the revolving portion of the 2022 Credit Agreement totaled $1.5 million as of September 30, 2025 and are recorded within other long-term assets on the consolidated balance sheets.

Other

As of September 30, 2025, annual scheduled payments and maturities, including the current portion of long-term debt, were zero in 2026, $784.1 million in 2027, $135.3 million in 2028, and zero thereafter.

Short-Term Debt

Short-term debt is summarized as follows:


(in millions)	September 30, 2025	October 31, 2024
Accounts receivable credit facilities	275.0	—

Other debt	12.7	18.6
	287.7	18.6

Accounts Receivable Credit Facilities

United States Trade Accounts Receivable Credit Facility

Greif Receivables Funding LLC (“Greif Funding”), Greif Packaging, for itself and as servicer, and certain other U.S. subsidiaries of the Company entered into a Third Amended and Restated Transfer and Administration Agreement, dated as of September 24, 2019 (the “Third Amended TAA”), with Bank of America, N.A., as the agent, managing agent, administrator and committed investor, and various investor groups, managing agents and administrators, from time to time parties thereto, to provide for a receivables financing facility (the “U.S. RFA”). On August 28, 2025, the Third Amended TAA was amended to provide an accounts receivable financing facility of $200.0 million that matures on May 15, 2026. The weighted average interest rate for borrowings under the U.S. RFA was 5.45% for the year ended September 30, 2025 (11-month).

Greif Funding is a direct subsidiary of Greif Packaging and is included in the Company’s consolidated financial statements. However, because Greif Funding is a separate and distinct legal entity from the Company, the assets of Greif Funding are not available to satisfy the liabilities and obligations of the Company, Greif Packaging or other subsidiaries of the Company, and the liabilities of Greif Funding are not the liabilities or obligations of the Company or its other subsidiaries.

The U.S. RFA is secured by certain trade accounts receivables of Greif Packaging and other subsidiaries of the Company in the United States and bears interest at a variable rate based on the London InterBank Offered Rate or an applicable base rate, plus a margin, or a commercial paper rate, all as provided in the Third Amended TAA. Interest is payable on a monthly basis and the principal balance is payable upon termination of the U.S. RFA. As of September 30, 2025, there was a $179.7 million ($273.7 million as of October 31, 2024) outstanding balance under the U.S. RFA.

International Trade Accounts Receivable Credit Facilities

On April 1, 2025, Cooperage Receivables Finance B.V. and Greif Services Belgium BV, an indirect wholly owned subsidiary of Greif, Inc., amended and restated the Nieuw Amsterdam Receivables Financing Agreement (the “European RFA”) with affiliates of a major international bank. The amended and restated European RFA matures April 21, 2026. The European RFA provides an accounts receivable financing facility of up to €100.0 million ($117.0 million as of September 30, 2025) secured by accounts receivable of certain European subsidiaries of Greif, Inc. As of September 30, 2025, $95.3 million ($84.2 million as of October 31, 2024) was outstanding under the European RFA. The weighted average interest rate for borrowings under the European RFA was 3.59% for the year ended September 30, 2025 (11-month).

POST-RETIREMENT BENEFIT PLANS - Number of Participants in Defined Benefit Plans (Details) - Pension Plan - participant	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Active participants	922	1,323
Vested former employees and deferred members	3,274	3,129
Retirees and beneficiaries	3,657	3,446
United States
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Active participants	842	1,239
Vested former employees and deferred members	2,809	2,672
Retirees and beneficiaries	2,351	2,240
Foreign Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Active participants	80	84
Vested former employees and deferred members	465	457
Retirees and beneficiaries	1,306	1,206

INCOME TAXES

11 Months Ended

Sep. 30, 2025

Income Tax Disclosure [Abstract]

INCOME TAXES

The provision for income taxes consists of the following:


	11 Months		12 Months		12 Months
	September 30,		October 31,		October 31,
Year Ended (in millions)	2025		2024		2023
Current
Federal	$	21.8	$	41.2	$	61.7
State and local	11.1		7.4		15.6
Non-U.S.	60.2		59.8		49.1
Total Current	93.1		108.4		126.4
Deferred
Federal	(40.0)		(61.5)		(18.8)
State and local	2.0		(12.7)		(8.6)
Non-U.S.	9.7		(12.0)		(0.9)
Total Deferred	(28.3)		(86.2)		(28.3)
Tax expense	$	64.8	$	22.2	$	98.1

The U.S. income (loss) before income tax expense was $(97.2) million, $47.2 million and $142.4 million for the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023, respectively. The non-U.S. income before income tax expense was $200.9 million, $234.5 million and $254.0 million in for the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023, respectively.

The following is a reconciliation of the provision for income taxes based on the federal statutory rate to the Company’s effective income tax rate:


	11 Months		12 Months		12 Months
	September 30,		October 31,		October 31,
Year Ended	2025		2024		2023
Federal statutory rate	21.00	%	21.00	%	21.00	%
Impact of foreign tax rate differential	6.30	%	1.43	%	2.22	%
State and local taxes, net of federal tax benefit	(2.10)	%	(1.72)	%	1.12	%
Net impact of changes in valuation allowances	11.00	%	(3.76)	%	(2.76)	%



Permanent book-tax differences	9.49	%	6.46	%	(0.32)	%
Withholding taxes	11.10	%	5.83	%	3.68	%
Tax credits	(6.90)	%	(5.53)	%	(0.17)	%

Impact of intangible property transfers	—	%	(17.45)	%	—	%
Unrecognized tax benefits	10.90	%	0.37	%	0.05	%
Other items, net	1.70	%	1.25	%	(0.07)	%
Company’s effective income tax rate	62.49	%	7.88	%	24.75	%

The primary items that increased the Company’s effective income tax rate from the federal statutory rate in 2025 were non-recurring items affecting pre-tax income, significant permanent items that are primarily from foreign earnings currently taxed in the U.S., withholding taxes, uncertain tax positions, and valuation allowance adjustments. The increases were partially offset by tax credits.

The primary items that decreased the Company’s effective income tax rate from the federal statutory rate in 2024 were recognition of a deferred tax asset related to the onshoring of certain intangible property, tax credits and release of valuation allowances. The decreases were partially offset by permanent differences between book income and taxable income, including the allocation of goodwill to the Delta Divestiture for which a tax benefit will not be realized, and withholding taxes.

The primary items that increased the Company’s effective income tax rate from the federal statutory rate in 2023 were changes in the mix of earnings among tax jurisdictions, including jurisdictions for which valuation allowances have been recorded, state and local taxes and withholding taxes. The increases were partially offset by tax credits and release of valuation allowances.

On July 4, 2025, H.R. 1, commonly known as the One Big Beautiful Bill Act (“OBBBA”), was enacted into law. The OBBBA permanently extends several major provisions of the Tax Cuts and Jobs Act of 2017, including 100% bonus depreciation, domestic research cost expensing, enhanced business interest deductibility, and modifications to the international tax framework. Most provisions of the OBBBA, except for bonus depreciation, will not affect the Company until the 2026 fiscal year. The Company has evaluated the impact of the OBBBA and determined that it does not have a material impact on the consolidated financial statements for 2025.

The components of the Company’s deferred tax assets and liabilities as of September 30 and October 31 for the years indicated were as follows:


	September 30,		October 31,
(in millions)	2025		2024
Deferred tax assets
Net operating loss and other carryforwards	$	130.0	$	126.5



Incentive liabilities	20.2		20.5



Operating lease liabilities	44.7		68.1

Other reserves	13.5		12.5

Research and development expenses	64.1		56.7
Other	77.6		70.3





Total deferred tax assets	350.1		354.6
Valuation allowance	(113.3)		(87.4)
Net deferred tax assets	$	236.8	$	267.2

Deferred tax liabilities
Properties, plants and equipment	$	141.8	$	181.1
Operating lease assets	44.7		68.1
Timberland transactions	53.1		52.7
Goodwill and other intangible assets	158.1		163.2
Undistributed profits of non-U.S. subsidiaries	29.9		25.3


Pension liabilities	7.8		8.9
Other	25.1		26.1
Total deferred tax liabilities	460.5		525.4
Net deferred tax liability	$	223.7	$	258.2

As of September 30, 2025 and October 31, 2024, the Company had deferred income tax benefits of $130.0 million and $126.5 million, respectively, from net operating losses and other tax credit carryforwards. For the fiscal year ended September 30, 2025 (11-month), these losses and carryforwards consist of $22.6 million, $3.3 million and $104.1 million in U.S. Federal, U.S. state and non-U.S. jurisdictions, respectively. For the fiscal year ended October 31, 2024, these losses and carryforwards consist of $19.5 million, $10.2 million and $96.8 million in U.S. Federal, U.S. state and non-U.S. jurisdictions, respectively. The Company has recorded valuation allowances of $87.9 million and $65.2 million against non-U.S. deferred tax assets as of September 30, 2025 and October 31, 2024, respectively. The Company has also recorded valuation allowances against U.S. deferred tax assets of $25.4 million and $22.2 million, as of September 30, 2025 and October 31, 2024, respectively. The Company had net changes in valuation allowances in 2025 of $25.9 million, primarily from increases in valuation allowance in certain foreign jurisdictions.

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:


(in millions)	2025		2024		2023
Balance of unrecognized tax benefit at beginning of year	$	25.5	$	23.4	$	24.3
Increases in tax positions for prior years	6.9		1.7		0.6

Increases in tax positions for current years	3.5		3.9		4.1

Lapse in statute of limitations	(2.5)		(3.6)		(4.6)
Currency translation	1.7		0.1		(1.0)
Balance of unrecognized tax benefit at end of year	$	35.1	$	25.5	$	23.4

The 2025 net increase in unrecognized tax benefits is primarily related to increases in unrecognized tax benefits related to the prior and current year, partially offset by decreases related to lapses in the statute of limitations. The Company files income tax returns in the U.S. federal jurisdiction, various U.S. state jurisdictions and various non-U.S. jurisdictions and is subject to audit by various taxing authorities for 2015 through the current year. The Company has filed refund claims with the Internal Revenue

Service for 2019 and 2020. The Company is under audit for 2019, 2021 and 2022. Because the statute of limitations has lapsed for 2019 and 2020, any adjustments may only be made up to the amount of the refund claims for those years. The Company has extended the statute of limitations for 2021 and 2022.

The Company has completed its U.S. federal tax audit for the tax years through 2016, and the statutes of limitations have expired for years 2017 through 2020. The Company has filed a refund claim for 2019 and is under audit for this year. Adjustments may only be made up to the amount of the refund claim.

The September 30, 2025, October 31, 2024, and October 31, 2023 balances include $35.1 million, $25.5 million and $23.4 million, respectively, of unrecognized tax benefits that, if recognized, would have an impact on the effective tax rate. The Company also recognizes accrued interest and penalties related to unrecognized tax benefits in income tax expense net of tax, as applicable. As of September 30, 2025 and October 31, 2024, the Company had accrued for the payment of interest and penalties in the amounts of $7.7 million and $3.8 million, respectively.

The Company has estimated the reasonably possible expected net change in unrecognized tax benefits through September 30, 2025 (11-month) under ASC 740, “Income Taxes.” The Company’s estimate is based on lapses of the applicable statutes of limitations, settlements and payments of uncertain tax positions. Though actual results may materially differ, the estimated net decrease in unrecognized tax benefits for the next 12 months could be up to $13.6 million.

- Definition

The entire disclosure for income tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 740
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
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-URI https://asc.fasb.org/1943274/2147477617/942-740-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478822/944-740-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

Reference 5: http://www.xbrl.org/2003/role/exampleRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147480990/946-20-50-13

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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-Paragraph 1
-Subparagraph (SX 210.4-08(h)(2))
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-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
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-Publisher FASB
-URI https://asc.fasb.org/740/tableOfContent

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
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-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-14

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-21

Reference 15: http://www.xbrl.org/2003/role/disclosureRef
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-Subparagraph (b)
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Reference 16: http://www.xbrl.org/2003/role/disclosureRef
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Reference 17: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482603/740-30-50-2

+ Details

ACQUISITIONS AND DIVESTITURES

11 Months Ended

Sep. 30, 2025

Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]

ACQUISITIONS AND DIVESTITURES

Divestitures

Soterra Business Divestiture Subsequent to Year End

On August 5, 2025, the Company entered into a definitive agreement to sell its Soterra land management business, including approximately 173,000 acres of timberland (the “Soterra Business”). The carrying value of $231.4 million was classified as held for sale as of September 30, 2025. The transaction closed on October 1, 2025 for a purchase price of approximately $462.0 million, subject to certain adjustments. The net cash proceeds from the sale of the Soterra Business were used for debt repayment. The Soterra Business was reported under the Company’s Sustainable Fiber Solutions segment through the end of fiscal 2025. The Soterra Business divestiture does not qualify as discontinued operations because it does not represent a strategic shift that has had a major impact on the Company’s operations or financial results, nor does it meet the qualitative considerations that would otherwise require separate discontinued operations presentation.

Containerboard Divestiture

Effective as of August 31, 2025, the Company completed the Containerboard Divestiture for a purchase price of $1,804.7 million. The Company incurred transaction costs of $23.4 million to complete this divestment. The net cash proceeds from the sale of the Containerboard Business have been used for debt repayment. The Containerboard Business was previously reported under the Company’s Sustainable Fiber Solutions segment. The Containerboard Divestiture qualifies as discontinued operations because it represents a strategic shift that will have a major impact on the Company’s operations and financial results.

In accordance with ASC 205-20, Allocation of Interest to Discontinued Operations, the Company elected to allocate interest expense to discontinued operations for the Company’s debt that is not directly attributable to the Containerboard business. Interest expense was allocated based on a ratio of debt repayment expected from sale proceeds to total debt.

The following table presents results of operations of the Containerboard Business from discontinued operations:


	11 Months		12 Months
	September 30,		October 31,
Year Ended (in millions, except per share amounts)	2025		2024
Net sales	$	975.7	$	1,093.2
Cost of products sold	770.9		921.5
Gross profit	204.8		171.7
Selling, general and administrative expenses	37.7		44.6





(Gain) loss on disposal of businesses, net	(1,096.8)		0.3
Operating profit	1,263.9		126.8
Interest expense, net	67.8		88.9



Income from discontinued operations before income tax expense and equity earnings of unconsolidated affiliates, net	1,196.1		37.9
Income tax expense	371.2		5.0

Net income from discontinued operations	824.9		32.9

Net income from discontinued operations attributable to Greif, Inc.	$	824.9	$	32.9

For net sales and costs of products sold, which had previously been eliminated in consolidation related to intercompany sales of recycled fiber to the Containerboard Business, $23.3 million and $34.6 million for the year ended September 30, 2025 (11-month), and October 31, 2024 are now reflected on a gross basis as a component of net sales and costs of sales from continuing operations for all periods presented, as the Company expects these sales to continue.

The following tables present assets and liabilities of the Containerboard Business from discontinued operations classified as held for sale:


(in millions)	October 31, 2024
ASSETS

Trade accounts receivable, net of allowance	$	108.2
Inventories	71.4





Other current assets	19.7
Total current assets from discontinued operations	199.3
Goodwill	298.2
Other intangible assets, net of amortization	4.4


Operating lease right-of-use assets	65.7

Other long-term assets	0.9
Total long-term assets from discontinued operations	369.2

Land	16.7
Buildings	108.6
Machinery and equipment	646.5
Capital projects in progress	17.8
	789.6
Accumulated depreciation	(520.5)
Total properties, plants and equipment, net from discontinued operations	269.1
Total assets from discontinued operations classified as held for sale	$	837.6
LIABILITIES
Accounts payable	$	63.3
Accrued payroll and employee benefits	15.1



Current portion of operating lease liabilities	9.6

Other current liabilities	13.0
Total current liabilities from discontinued operations	101.0

Operating lease liabilities	55.8




Contingent liabilities and environmental reserves	2.6

Other long-term liabilities	1.4
Total long-term liabilities from discontinued operations	59.8
Total liabilities from discontinued operations classified as held for sale	$	160.8

The following table presents depreciation, amortization, and capital expenditures of the Containerboard Business from discontinued operations:


	11 Months		12 Months
	September 30,		October 31,
Year Ended (in millions, except per share amounts)	2025		2024
Depreciation and amortization	$	24.2	$	33.6
Capital expenditures	50.0		49.9

The Company had no other material noncash operating and investing activities related to the discontinued operations.

Delta Divestiture

During the third quarter of 2024, the Company completed its divestiture of a U.S. business in the Global Industrial Packaging segment, Delta Petroleum Company, Inc. (the “Delta Divestiture”), for net cash proceeds of $91.2 million. The Delta Divestiture did not qualify as discontinued operations because it did not represent a strategic shift that has had a major impact

on the Company’s operations or financial results, nor does it meet the qualitative considerations that would otherwise require separate discontinued operations presentation. The Delta Divestiture resulted in a $46.1 million gain on sale of business, including goodwill allocated to the sale of $26.1 million.

Acquisitions

Ipackchem Acquisition

The Company acquired Ipackchem Group SAS (“Ipackchem”) on March 26, 2024 (the “Ipackchem Acquisition”). Ipackchem is a global market leader in the production of high-performance plastic packaging, including premium barrier and non-barrier jerrycans and other small plastic containers. The total purchase price for this acquisition was $582.1 million. The Company incurred transaction costs of $8.9 million to complete this acquisition.

As of April 30, 2025, the Company had completed the determination of the fair value of assets acquired and liabilities assumed related to the Ipackchem Acquisition.

The following table summarizes the consideration transferred to acquire Ipackchem and the final valuation of identifiable assets acquired and liabilities assumed at the acquisition date:


(in millions)	Amounts Recognized as of the Acquisition Date		Measurement Period Adjustments		Amount Recognized as of Acquisition Date (as Adjusted)
Fair value of consideration transferred
Cash consideration	$	582.1	$	—	$	582.1

Recognized amounts of identifiable assets acquired and liabilities assumed
Cash and cash equivalents	$	14.5	$	—	$	14.5
Accounts receivable	50.9		—		50.9
Inventories	36.7		—		36.7
Other current assets	4.9		(0.6)		4.3
Intangibles	231.7		1.4		233.1
Operating lease right-of-use assets	15.1		2.4		17.5
Finance lease right-of-use assets	8.2		2.2		10.4
Other long-term assets	1.0		—		1.0
Properties, plants and equipment	91.5		(2.9)		88.6
Total assets acquired	454.5		2.5		457.0

Accounts payable	(17.2)		—		(17.2)

Short-term borrowings	(26.2)		—		(26.2)
Other current liabilities	(13.2)		0.1		(13.1)

Operating lease liabilities	(14.2)		(3.3)		(17.5)
Finance lease liabilities	(10.0)		(0.5)		(10.5)
Long-term deferred tax liability	(62.1)		(1.5)		(63.6)
Other long-term liabilities	(5.3)		(2.5)		(7.8)
Total liabilities assumed	(148.2)		(7.7)		(155.9)
Total identifiable net assets	$	306.3	(5.2)		301.1
Goodwill	$	275.8	$	5.2	$	281.0

The Company recognized goodwill related to this acquisition of $281.0 million. The goodwill recognized in this acquisition was attributable to the acquired assembled workforce, expected synergies and economies of scale, none of which qualify for recognition as a separate intangible asset. Ipackchem is reported within the Customized Polymer Solutions segment to which the goodwill was assigned. The goodwill is not deductible for tax purposes.

The cost approach was used to determine the fair value for land, building, improvements and equipment. The cost approach measures the value by estimating the cost to acquire, or construct, comparable assets and adjusts for age and condition. The Company assigned to land use rights, building and improvements a useful life ranging from 1 year to 21 years and equipment a useful life ranging from 1 year to 10 years. Acquired property, plant and equipment are being depreciated over their estimated remaining useful lives on a straight-line basis.

The fair value for acquired customer relationship intangibles was determined as of the acquisition date based on estimates and judgments regarding expectations for the future after-tax cash flows arising from the revenue from customer relationships that existed on the acquisition date over their estimated lives, including the probability of expected future contract renewals and revenue, less a contributory assets charge, all of which is discounted to present value. The fair value for acquired developed technology was determined as of the acquisition date based on estimates and judgments regarding expectations for the future after-tax cash flows arising from the revenue from developed technology that existed on the acquisition date over their estimated lives. The fair values of the trademark intangible assets were determined utilizing the relief from royalty method, which is a form of the income approach. Under this method, a royalty rate based on observed market royalties is applied to projected revenue supporting the trademarks and discounted to present value using an appropriate discount rate.

Acquired intangible assets are being amortized over the estimated useful lives on a straight-line basis. The following table summarizes the final purchase price allocation and weighted average remaining useful lives for identifiable intangible assets acquired as of the acquisition date:


(in millions)	Purchase Price Allocation		Weighted Average Estimated Useful Life
Customer relationships	$	183.8	13.5
Developed technology	39.0		8.0
Trademarks	10.3		5.0
Total intangible assets	$	233.1

Pro Forma Results

The following unaudited supplemental pro forma data presents consolidated information as if the Ipackchem Acquisition had been completed on November 1, 2022. These amounts were calculated after adjusting Ipackchem’s results to reflect interest expense incurred on the debt to finance the acquisition, additional depreciation and amortization that would have been charged assuming the fair value of property, plant and equipment and intangible assets had been applied from November 1, 2022, the adjusted income tax expense, and related transaction costs.


	Twelve Months Ended October 31,
(in millions, except per share amounts)	2024		2023
Pro forma net sales	$	4,443.8	$	4,396.2
Pro forma net income from continuing operations attributable to Greif, Inc.	256.1		276.0
Basic earnings per share from continuing operations attributable to Greif, Inc. common shareholders:
Class A common stock	$	4.44	$	4.78
Class B common stock	$	6.65	$	7.16
Diluted earnings per share from continuing operations attributable to Greif, Inc. common shareholders:
Class A common stock	$	4.42	$	4.73
Class B common stock	$	6.65	$	7.16

The pro forma data should not be considered indicative of the results that would have occurred if the acquisition and related financing had been consummated on the assumed completion dates, nor are they indicative of future results.

REDEEMABLE NONCONTROLLING INTERESTS

11 Months Ended

Sep. 30, 2025

Noncontrolling Interest [Abstract]

REDEEMABLE NONCONTROLLING INTERESTS

Redeemable noncontrolling interests related to joint ventures are held by the respective noncontrolling interest owners. The holders of these interests share in the profits and losses of these entities on a pro-rata basis with the Company. However, certain noncontrolling interest owners have the right to put all or a portion of those noncontrolling interests to the Company at a formulaic price after a set period of time, specific to each agreement.

On May 30, 2025, the Company redeemed the remaining 20% ownership interest in one of its noncontrolling interests, increasing ownership from 80% to 100% in an all-cash transaction for $38.7 million.

Redeemable noncontrolling interests are reflected in the consolidated balance sheets at redemption value. The following table provides the rollforward of the redeemable noncontrolling interest for the years ended September 30, 2025 (11-month) and October 31, 2024:


(in millions)	Redeemable Noncontrolling Interest
Balance as of October 31, 2023	$	125.3
Current period mark to redemption value	(1.0)

Acquisition of redeemable shareholder interest	2.0
Redeemable noncontrolling interest share of income	8.5
Dividends to redeemable noncontrolling interest and other	(4.9)
Balance as of October 31, 2024	129.9
Current period mark to redemption value	4.6
Repurchase of redeemable shareholder interest	(40.9)

Redeemable noncontrolling interest share of income	6.6
Dividends to redeemable noncontrolling interest and other	(7.9)
Balance as of September 30, 2025	$	92.3

EARNINGS PER SHARE - Additional Information (Details) $ / shares in Units, $ in Millions	11 Months Ended
	Sep. 30, 2025 class_of_stock $ / shares shares	Nov. 14, 2025 USD ($)
Class of Stock [Line Items]
Number of classes of stock \| class_of_stock	2
Board Of Director Authorized
Class of Stock [Line Items]
Number of shares authorized to be purchased (in shares) \| shares	2,504,836
Open Market Share Repurchase Plan \| Subsequent Event
Class of Stock [Line Items]
Share repurchase program, authorized, amount \| $		$ 150.0
Earnings per Class A common stock - basic
Class of Stock [Line Items]
Dividend proportions (in usd per share)	$ 1
Percentage of shares outstanding used in two class method calculation	40.00%
Earnings per Class B common stock - basic
Class of Stock [Line Items]
Dividend proportions (in usd per share)	$ 0.015
Percentage of shares outstanding used in two class method calculation	60.00%

GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in Carrying Amount of Goodwill by Segment (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024
Goodwill [Roll Forward]
Goodwill beginning balance	$ 1,655.5	$ 1,394.8
Goodwill acquired		278.5
Goodwill allocated to divestitures		(26.1)
Segment recast	0.0
Goodwill acquired / Measurement period adjustment	(18.0)
Currency translation	59.0	8.3
Goodwill ending balance	1,696.5	1,655.5
Global Industrial Packaging
Goodwill [Roll Forward]
Goodwill beginning balance	1,148.3	887.6
Goodwill acquired		278.5
Goodwill allocated to divestitures		(26.1)
Segment recast	(1,148.3)
Goodwill acquired / Measurement period adjustment	0.0
Currency translation	0.0	8.3
Goodwill ending balance	0.0	1,148.3
Paper Packaging & Services
Goodwill [Roll Forward]
Goodwill beginning balance	507.2	507.2
Goodwill acquired		0.0
Goodwill allocated to divestitures		0.0
Segment recast	(507.2)
Goodwill acquired / Measurement period adjustment	0.0
Currency translation	0.0	0.0
Goodwill ending balance	0.0	507.2
Customized Polymer Solutions
Goodwill [Roll Forward]
Goodwill beginning balance	0.0	0.0
Goodwill acquired		0.0
Goodwill allocated to divestitures		0.0
Segment recast	607.9
Goodwill acquired / Measurement period adjustment	(18.0)
Currency translation	32.5	0.0
Goodwill ending balance	622.4	0.0
Durable Metal Solutions
Goodwill [Roll Forward]
Goodwill beginning balance	0.0	0.0
Goodwill acquired		0.0
Goodwill allocated to divestitures		0.0
Segment recast	401.8
Goodwill acquired / Measurement period adjustment	0.0
Currency translation	16.9	0.0
Goodwill ending balance	418.7	0.0
Sustainable Fiber Solutions
Goodwill [Roll Forward]
Goodwill beginning balance	0.0	0.0
Goodwill acquired		0.0
Goodwill allocated to divestitures		0.0
Segment recast	475.9
Goodwill acquired / Measurement period adjustment	0.0
Currency translation	0.0	0.0
Goodwill ending balance	475.9	0.0
Integrated Solutions
Goodwill [Roll Forward]
Goodwill beginning balance	0.0	0.0
Goodwill acquired		0.0
Goodwill allocated to divestitures		0.0
Segment recast	169.9
Goodwill acquired / Measurement period adjustment	0.0
Currency translation	9.6	0.0
Goodwill ending balance	$ 179.5	$ 0.0

LEASES - (Tables)

11 Months Ended

Sep. 30, 2025

Leases [Abstract]

Schedule of Components of Lease Expense

The following table presents the lease expense components:


	11 Months		12 Months
Year Ended (in millions)	September 30, 2025		October 31, 2024
Operating lease cost	$	53.2	$	58.9
Finance lease cost - amortization	6.1		6.3
Finance lease cost - interest	1.8		2.3
Other lease cost*	27.7		28.9
Total lease cost	$	88.8	$	96.4
*includes variable and short-term lease costs

The following table presents the weighted-average lease term and discount rate as of September 30, 2025 and October 31, 2024:


	11 Months		12 Months
	September 30, 2025		October 31, 2024
Weighted-average remaining lease term (years):
Operating leases	7.9		8.0
Finance leases	5.4		6.2
Weighted-average discount rate:
Operating leases	4.70	%	4.57	%
Finance leases	6.32	%	6.23	%

The following table presents other required lease related information:


	11 Months		12 Months
(in millions)	September 30, 2025		October 31, 2024
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used for operating liabilities	$	53.0	$	59.1
Financing cash flows used for finance leases	5.5		5.5
Leased assets obtained in exchange for new lease liabilities:
Leased assets obtained in exchange for new operating lease liabilities	5.4		60.5
Leased assets obtained in exchange for new finance lease liabilities	0.8		5.2

Schedule of Maturities of Operating Lease Liabilities

Future maturity for the Company’s lease liabilities, during the next five years, and in the aggregate for the years thereafter, are as follows:


(in millions)	Operating Leases		Finance Leases		Total expected payments
2026	$	50.9	$	8.4	$	59.3
2027	40.9		6.2		47.1
2028	33.9		6.0		39.9
2029	25.1		5.3		30.4
2030	14.5		5.0		19.5
Thereafter	56.4		4.6		61.0
Total lease payments	$	221.7	$	35.5	$	257.2
Less: interest	(33.9)		(0.7)		(34.6)
Lease liabilities	$	187.8	$	34.8	$	222.6

FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Additional Information (Details) - USD ($)	2 Months Ended	3 Months Ended							10 Months Ended	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains recorded in interest expense	$ (9,800,000)	$ (14,500,000)	$ (15,600,000)	$ (16,200,000)	$ (16,600,000)	$ (18,800,000)	$ (8,200,000)	$ (2,400,000)	$ (40,700,000)	$ (56,100,000)	$ (46,000,000.0)	$ (15,700,000)
Proceeds from hedging derivatives										22,500,000	0	0
Stockholders' equity	2,952,400,000				2,117,500,000					2,952,400,000	2,117,500,000	1,986,300,000	$ 1,794,300,000
Asset impairment charges	10,100,000	$ 3,400,000	$ 10,700,000	13,700,000	700,000	$ 200,000	$ 400,000	$ 1,300,000	$ 2,300,000	37,900,000	2,600,000	20,300,000
Impairment of long lived assets										23,400,000	2,600,000	20,300,000
Carrying value of impaired asset	49,400,000				10,700,000					49,400,000	10,700,000	30,500,000
Long-lived assets, fair value	26,000,000.0				8,100,000					26,000,000.0	8,100,000	10,200,000
Impairment of intangible assets, finite-lived										2,600,000
Customized Polymer Solutions
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Asset impairment charges										3,100,000	300,000	100,000
Impairment of long lived assets										700,000	300,000	100,000
Impairment of intangible assets, finite-lived										2,400,000
Durable Metal Solutions
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Asset impairment charges										2,300,000	400,000	1,800,000
Impairment of long lived assets										2,300,000	400,000	1,800,000
Sustainable Fiber Solutions
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Asset impairment charges										31,800,000	1,700,000	17,700,000
Impairment of long lived assets										17,300,000	1,700,000	17,700,000
Impairment of assets held for sale										14,500,000
Integrated Solutions
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Asset impairment charges										700,000	200,000	700,000
Impairment of long lived assets										500,000	200,000	700,000
Impairment of intangible assets, finite-lived										200,000
Accumulated Other Comprehensive Income (Loss)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Stockholders' equity	(250,800,000)				(355,100,000)					(250,800,000)	(355,100,000)	(316,500,000)	$ (302,300,000)
Interest rate derivatives \| Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative notional amount	$ 562,500,000				1,400,000,000					$ 562,500,000	1,400,000,000
Interest rate	1.87%									1.87%
Other comprehensive loss, cash flow hedge, gain (loss), before reclassification and tax										$ 17,600,000	34,800,000	28,500,000
Derivative gain										8,400,000
Other comprehensive loss, cash flow hedge										5,300,000
Foreign exchange hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative notional amount	$ 165,000,000.0				74,100,000					165,000,000.0	74,100,000
Realized gains (losses) recorded under fair value contracts										400,000	1,000,000.0	1,200,000
Unrealized gain (loss) on foreign currency										(100,000)	100,000	0
Cross currency swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative notional amount	$ 534,900,000				$ 447,600,000					$ 534,900,000	447,600,000
Derivative, interest rate	1.64%									1.64%
Gains recorded in interest expense										$ 6,900,000	$ 6,400,000	$ 5,100,000
Proceeds from hedging derivatives				22,500,000
Cross currency swap \| Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Proceeds from hedging derivatives				11,000,000.0
Cross currency swap \| Net Investment Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Proceeds from hedging derivatives				$ 11,500,000
Net investment hedge, gain before reclassification and tax										11,300,000
Cross currency swap \| Net Investment Hedging \| Accumulated Other Comprehensive Income (Loss)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Stockholders' equity	$ 1,800,000									$ 1,800,000

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Current assets
Cash and cash equivalents	$ 256.7	$ 197.7
Trade accounts receivable, net of allowance	655.3	638.7
Inventories:
Raw materials	244.7	240.7
Finished goods	92.1	87.4
Assets held for sale	21.8	202.4
Prepaid expenses	55.6	55.0
Other current assets	104.2	127.5
Total current assets	1,430.4	1,549.4
Long-term assets
Goodwill	1,696.5	1,655.5
Other intangible assets, net of amortization	840.9	932.7
Deferred tax assets	26.5	36.9
Pension assets	64.1	46.0
Noncurrent assets held for sale	233.5	638.3
Operating lease right-of-use assets	186.5	218.8
Finance lease right-of-use assets	34.1	37.8
Other long-term assets	119.1	149.2
Total long-term assets	3,201.2	3,715.2
Properties, plants and equipment
Timber properties, net of depletion	0.0	231.2
Land	124.7	141.3
Buildings	497.4	497.0
Machinery and equipment	1,736.0	1,662.2
Capital projects in progress	151.2	141.8
Properties, plants and equipment, gross	2,509.3	2,673.5
Accumulated depreciation	(1,374.1)	(1,290.5)
Properties, plants and equipment, net	1,135.2	1,383.0
Total assets	5,766.8	6,647.6
Current liabilities
Accounts payable	429.6	458.6
Accrued payroll and employee benefits	137.9	141.8
Restructuring reserves	21.7	4.9
Current portion of long-term debt	0.0	95.8
Short-term borrowings	287.7	18.6
Liabilities held for sale	2.1	101.0
Current portion of operating lease liabilities	43.9	46.9
Current portion of finance lease liabilities	5.5	5.6
Dividends payable	25.3	0.0
Other current liabilities	175.9	141.2
Total current liabilities	1,129.6	1,014.4
Long-term liabilities
Long-term debt	914.8	2,626.2
Operating lease liabilities	143.9	174.4
Finance lease liabilities	29.3	33.5
Deferred tax liabilities	250.2	295.1
Pension liabilities	59.2	59.2
Post-retirement benefit obligations	5.4	5.6
Noncurrent liabilities held for sale	0.0	59.8
Contingent liabilities and environmental reserves	17.3	16.5
Long-term income tax payable	0.0	11.7
Other long-term liabilities	172.4	103.8
Total long-term liabilities	1,592.5	3,385.8
Commitments and Contingencies (Note 10)
Redeemable Noncontrolling Interests (Note 15)	92.3	129.9
Equity
Common stock, without par value	247.3	230.3
Treasury stock, at cost	(276.5)	(279.0)
Retained earnings	3,194.9	2,486.2
Accumulated other comprehensive income (loss), net of tax:
Foreign currency translation	(201.1)	(314.1)
Derivative financial instruments	8.1	33.9
Minimum pension liabilities	(57.8)	(74.9)
Total Greif, Inc. shareholders’ equity	2,914.9	2,082.4
Noncontrolling interests	37.5	35.1
Total shareholders’ equity	2,952.4	2,117.5
Total liabilities and shareholders’ equity	$ 5,766.8	$ 6,647.6

LEASES - Cash Flow (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
LEASES - Cash Flow (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used for operating liabilities	$ 53.0	$ 59.1
Financing cash flows used for finance leases	5.5	5.5
Leased assets obtained in exchange for new lease liabilities:
Leased assets obtained in exchange for new operating lease liabilities	5.4	60.5
Leased assets obtained in exchange for new finance lease liabilities	$ 0.8	$ 5.2

RESTRUCTURING CHARGES (Tables)

11 Months Ended

Sep. 30, 2025

Restructuring and Related Activities [Abstract]

Schedule of Reconciliation of Beginning and Ended Restructuring Reserve Balances

The following is a reconciliation of the beginning and ending restructuring reserve balances for the years ended September 30, 2025 (11-month) and October 31, 2024:


(in millions)	Employee Separation Costs		Other Costs		Total
Balance at October 31, 2023	$	16.4	$	0.4	$	16.8
Costs incurred and charged to expense	(1.4)		6.8		5.4
Costs paid or otherwise settled	(10.2)		(7.1)		(17.3)
Balance at October 31, 2024	$	4.8	$	0.1	$	4.9
Costs incurred and charged to expense	28.2		12.1		40.3
Costs paid or otherwise settled	(11.7)		(11.8)		(23.5)
Balance at September 30, 2025	$	21.3	$	0.4	$	21.7

Schedule of Reconciliation of Total Amounts Expected to be Incurred from Open Restructuring Plans Anticipated to be Realized

The following is a reconciliation of the total amounts expected to be incurred from open restructuring plans or plans that are being formulated and have not been announced as of the filing date of this Form 10-KT. Remaining amounts expected to be incurred were $21.6 million as of September 30, 2025:


(in millions)	Total Amounts Expected to be Incurred		Amounts Incurred During the Eleven Months ended September 30, 2025		Amounts Remaining to be Incurred
Customized Polymer Solutions
Employee separation costs	$	5.0	$	4.2	0.8
Other restructuring costs	0.4		0.4		—
	5.4		4.6		0.8
Durable Metal Solutions
Employee separation costs	8.6		6.9		1.7
Other restructuring costs	8.3		0.7		7.6
	16.9		7.6		9.3
Sustainable Fiber Solutions
Employee separation costs	16.2		15.0		1.2
Other restructuring costs	19.8		10.7		9.1
	36.0		25.7		10.3
Integrated Solutions
Employee separation costs	2.3		2.1		0.2
Other restructuring costs	1.3		0.3		1.0
	3.6		2.4		1.2
Total	$	61.9	$	40.3	$	21.6

BUSINESS SEGMENT INFORMATION - Property, Plant and Equipment, Net by Geographical Area (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Assets:
Total assets	$ 5,766.8	$ 6,647.6
Long lived assets, net:
Total properties, plants and equipment, net	1,355.8	1,639.6
Operating Segments
Assets:
Total assets	5,308.5	6,194.4
Operating Segments \| Customized Polymer Solutions
Assets:
Total assets	1,872.9	1,818.7
Operating Segments \| Durable Metal Solutions
Assets:
Total assets	1,184.3	1,183.8
Operating Segments \| Sustainable Fiber Solutions
Assets:
Total assets	1,848.1	2,788.8
Operating Segments \| Integrated Solutions
Assets:
Total assets	403.2	403.1
Corporate and other
Assets:
Total assets	458.3	453.2
United States
Long lived assets, net:
Total properties, plants and equipment, net	814.7	1,119.9
Europe, Middle East and Africa
Long lived assets, net:
Total properties, plants and equipment, net	392.2	373.7
Asia Pacific and other Americas
Long lived assets, net:
Total properties, plants and equipment, net	$ 148.9	$ 146.0

BUSINESS SEGMENT INFORMATION (Tables)

11 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Schedule of Revenue from External Customers by Geographic Areas

The following table presents reportable segment information for the year ended September 30, 2025 (11-month):


	Year Ended September 30, 2025 (11-month)
(in millions)	Customized Polymer Solutions		Durable Metal Solutions		Sustainable Fiber Solutions		Integrated Solutions		Consolidated
Net sales by geographic area:
United States*	$	496.3	$	251.8	$	1,051.9	$	225.9	$	2,025.9
Europe, Middle East and Africa	467.4		798.8		0.9		42.6		1,309.7
Asia Pacific and Other Americas	205.9		317.6		44.1		29.9		597.5
Net sales	1,169.6		1,368.2		1,096.9		298.4		3,933.1
Costs of products sold	915.9		1,085.7		846.9		213.1		3,061.6

Selling, general and administrative expenses	207.2		167.3		154.0		73.4		601.9
Acquisition and integration related costs	7.1		—		—		—		7.1
Restructuring and other charges	9.6		12.5		36.4		4.1		62.6

Non-cash asset impairment charges	3.1		2.3		31.8		0.7		37.9
(Gain) loss on disposal of properties, plants and equipment, net	(0.2)		(7.6)		0.3		—		(7.5)
Loss on disposal of businesses, net	—		—		0.5		1.4		1.9
Operating profit	26.9		108.0		27.0		5.7		167.6
* The United States is the only country material to present individually. All other countries have been aggregated into regions.

The following table presents reportable segment information for the year ended October 31, 2024:


	Year Ended October 31, 2024
(in millions)	Customized Polymer Solutions		Durable Metal Solutions		Sustainable Fiber Solutions		Integrated Solutions		Consolidated
Net sales by geographic area:
United States*	$	508.8	$	314.7	$	1,188.4	$	300.6	$	2,312.5
Europe, Middle East and Africa	438.2		905.1		0.7		44.0		1,388.0
Asia Pacific and Other Americas	188.1		382.3		53.2		30.8		654.4
Net sales	1,135.1		1,602.1		1,242.3		375.4		4,354.9
Costs of products sold	912.4		1,282.9		994.3		266.2		3,455.8

Selling, general and administrative expenses	164.0		183.7		161.7		80.5		589.9
Acquisition and integration related costs	17.2		—		1.3		—		18.5
Restructuring and other charges	2.3		3.0		(0.8)		0.9		5.4

Non-cash asset impairment charges	0.3		0.4		1.7		0.2		2.6
Gain on disposal of properties, plants and equipment, net	(0.2)		(2.8)		(3.4)		(2.7)		(9.1)
Gain on disposal of businesses, net	—		—		—		(46.0)		(46.0)
Operating profit	39.1		134.9		87.5		76.3		337.8
* The United States is the only country material to present individually. All other countries have been aggregated into regions.

The following table presents reportable segment information for the year ended October 31, 2023:


	Year Ended October 31, 2023
(in millions)	Customized Polymer Solutions		Durable Metal Solutions		Sustainable Fiber Solutions		Integrated Solutions		Consolidated
Net sales by geographic area:
United States*	$	442.3	$	336.4	$	1,254.4	$	255.9	$	2,289.0
Europe, Middle East and Africa	380.1		893.4		0.6		36.8		1,310.9
Asia Pacific and Other Americas	94.7		401.9		52.9		25.9		575.4
Net sales	917.1		1,631.7		1,307.9		318.6		4,175.3
Costs of products sold	706.3		1,323.1		988.4		228.9		3,246.7

Selling, general and administrative expenses	110.8		166.5		167.5		65.5		510.3
Acquisition and integration related costs	10.8		—		8.2		—		19.0
Restructuring and other charges	2.1		1.7		12.5		2.4		18.7

Non-cash asset impairment charges	0.1		1.8		17.7		0.7		20.3
Loss (gain) on disposal of properties, plants and equipment, net	0.2		(4.5)		2.1		(0.3)		(2.5)
Gain on disposal of businesses, net	(9.4)		—		(54.6)		—		(64.0)
Operating profit	96.2		143.1		166.1		21.4		426.8
* The United States is the only country material to present individually. All other countries have been aggregated into regions.

Schedule of Segment Information

The following table presents additional reportable segment information:


	11 Months		12 Months		12 Months
	September 30,		October 31,		October 31,
Year Ended (in millions)	2025		2024		2023
Depreciation, depletion and amortization expense:
Customized Polymer Solutions	$	86.3	$	79.3	$	47.4
Durable Metal Solutions	25.6		29.1		28.7
Sustainable Fiber Solutions	91.8		106.6		109.4
Integrated Solutions	9.0		12.7		12.5
Total depreciation, depletion and amortization expense	$	212.7	$	227.7	$	198.0

Capital expenditures:
Customized Polymer Solutions	$	37.3	$	46.1	$	37.7
Durable Metal Solutions	19.2		25.7		32.1
Sustainable Fiber Solutions	44.4		44.8		70.2
Integrated Solutions	5.2		5.9		12.1
Total segment	106.1		122.5		152.1
Corporate and other	1.4		1.8		18.0
Total capital expenditures	$	107.5	$	124.3	$	170.1

Schedule of Properties, Plants and Equipment, Net by Geographical Area

The following table presents total assets by reportable segment and total long lived assets, net by geographic area:


(in millions)	September 30, 2025		October 31, 2024
Assets:
Customized Polymer Solutions	$	1,872.9	$	1,818.7
Durable Metal Solutions	1,184.3		1,183.8
Sustainable Fiber Solutions	1,848.1		2,788.8
Integrated Solutions	403.2		403.1
Total segment	5,308.5		6,194.4
Corporate and other*	458.3		453.2
Total assets	$	5,766.8	$	6,647.6
*Corporate and other assets held at corporate level or used by corporate functions that are not directly attributable to reportable segments.

Property, plant and equipment, net and lease right-of-use assets:
United States*	$	814.7	$	1,119.9
Europe, Middle East and Africa	392.2		373.7
Asia Pacific and other Americas	148.9		146.0
Total properties, plants and equipment, net	$	1,355.8	$	1,639.6
*The United States is the only country material to present individually. All other countries have been aggregated into regions.

LEASES - Components of Lease Expense (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024
Leases [Abstract]
Operating lease cost	$ 53.2	$ 58.9
Finance lease cost - amortization	6.1	6.3
Finance lease cost - interest	1.8	2.3
Other lease cost	27.7	28.9
Total lease cost	$ 88.8	$ 96.4

POST-RETIREMENT BENEFIT PLANS - Change in Projected Benefit Obligation (Details) - Pension Plan - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Change in benefit obligation:
Benefit obligation at beginning of year	$ 654.1	$ 604.1
Service cost	5.0	5.7	$ 6.8
Interest cost	28.4	34.9	35.0
Plan participant contributions	0.2	0.2
Expenses paid from assets	(2.9)	(3.2)
Actuarial (gain) loss	(0.6)	52.8
Foreign currency impact	9.1	8.5
Benefits paid	(48.8)	(49.9)
Discontinued operations	1.1	1.1
Curtailments	(11.2)
Other		(0.1)
Benefit obligation at end of year	634.4	654.1	604.1
United States
Change in benefit obligation:
Benefit obligation at beginning of year	469.9	437.5
Service cost	3.8	4.2	5.3
Interest cost	21.8	26.7	26.8
Plan participant contributions	0.0	0.0
Expenses paid from assets	(1.9)	(1.5)
Actuarial (gain) loss	10.2	40.8
Foreign currency impact	0.0	0.0
Benefits paid	(38.4)	(38.9)
Discontinued operations	1.1	1.1
Curtailments	(11.2)
Other		0.0
Benefit obligation at end of year	455.3	469.9	437.5
Foreign Plan
Change in benefit obligation:
Benefit obligation at beginning of year	184.2	166.6
Service cost	1.2	1.5	1.5
Interest cost	6.6	8.2	8.2
Plan participant contributions	0.2	0.2
Expenses paid from assets	(1.0)	(1.7)
Actuarial (gain) loss	(10.8)	12.0
Foreign currency impact	9.1	8.5
Benefits paid	(10.4)	(11.0)
Discontinued operations	0.0	0.0
Curtailments	0.0
Other		(0.1)
Benefit obligation at end of year	$ 179.1	$ 184.2	$ 166.6

ACQUISITIONS AND DIVESTITURES - Results from Operations from Discontinued Operations (Details) - USD ($) $ in Millions	2 Months Ended	3 Months Ended							10 Months Ended	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income from discontinued operations, net tax	$ 763.4	$ 24.7	$ 23.3	$ 13.5	$ 20.7	$ 9.1	$ (1.5)	$ 4.6	$ 23.3	$ 824.9	$ 32.9	$ 78.6
Net income from discontinued operations attributable to Greif, Inc.										824.9	32.9	$ 78.6
Discontinued Operations, Held-for-Sale \| Greif Containerboard Solutions, LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales										975.7	1,093.2
Cost of products sold										770.9	921.5
Gross profit										204.8	171.7
Selling, general and administrative expenses										37.7	44.6
(Gain) loss on disposal of businesses, net										(1,096.8)	0.3
Operating profit										1,263.9	126.8
Interest expense, net										67.8	88.9
Income from discontinued operations before income tax expense and equity earnings of unconsolidated affiliates, net										1,196.1	37.9
Income tax expense										371.2	5.0
Net income from discontinued operations, net tax										824.9	32.9
Net income from discontinued operations attributable to Greif, Inc.										$ 824.9	$ 32.9

POST-RETIREMENT BENEFIT PLANS - Additional Information (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Expected Benefit Payments
Company's pension contributions	$ 4.8
Expected return on plan assets	5.58%	5.84%	4.99%
United States
Expected Benefit Payments
Defined benefit plan, annuity			$ 5.9
Lump sum payments			1.8
Pension Plan
Expected Benefit Payments
Company's pension contributions	$ 1.0	$ 7.9	27.5
Company's pension contributions paid directly by the Company	3.8
Company's estimated pension contributions	6.0
Curtailments	11.2
Pension Plan \| United States
Expected Benefit Payments
Curtailments	11.2
Defined benefit plan asset			7.7
Decrease for settlement			3.5
401 (k) Savings Plan
Expected Benefit Payments
Company contributions to 401(k) plans	$ 29.8	$ 29.0	$ 29.1

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (Parenthetical) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Foreign currency translation, net of income tax expense	$ (6.2)
Derivative, income tax (benefit) expense	4.6	$ 12.9	$ (0.3)
Minimum pension liability adjustment, income tax expense	$ (3.6)	$ (0.4)	$ (4.7)
Earnings per Class A common stock - basic
Dividend declared (in usd per share)	$ 2.18	$ 2.10	$ 2.02
Earnings per Class B common stock - basic
Dividend declared (in usd per share)	$ 3.26	$ 3.14	$ 3.02

GOODWILL AND OTHER INTANGIBLE ASSETS - Additional Information (Details) $ in Millions			11 Months Ended	12 Months Ended
	Nov. 01, 2024 segment	Oct. 31, 2024 segment	Sep. 30, 2025 USD ($) segment	Oct. 31, 2024 USD ($)	Oct. 31, 2023 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Number of reportable business segment \| segment	4	3	4
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]			Non-cash asset impairment charges
Increase in gross intangible assets			$ (0.6)
Assets impairment			16.4
Impairment of intangible assets, finite-lived			2.6
Write-off of fully amortized assets			0.3
Increase (decrease) in gross intangibles assets due to currency fluctuations			14.8
Increase intangible assets			3.9
Amortization expense			88.4	$ 90.0	$ 70.3
Future amortization expense, 2026			94.9
Future amortization expense, 2027			94.7
Future amortization expense, 2028			90.7
Future amortization expense, 2029			86.1
Future amortization expense, 2030			85.2
Indefinite lived intangible assets			$ 3.9

CONTINGENT LIABILITIES AND ENVIRONMENTAL RESERVES	11 Months Ended
CONTINGENT LIABILITIES AND ENVIRONMENTAL RESERVES	Sep. 30, 2025
Environmental Remediation Obligations [Abstract]
CONTINGENT LIABILITIES AND ENVIRONMENTAL RESERVES	CONTINGENT LIABILITIES AND ENVIRONMENTAL RESERVES Litigation-related Liabilities The Company may become involved from time-to-time in litigation and regulatory matters incidental to its business, including governmental investigations, enforcement actions, personal injury claims, product liability, employment health and safety matters, commercial disputes, intellectual property matters, disputes regarding environmental clean-up costs, litigation in connection with acquisitions and divestitures, and other matters arising out of the normal conduct of its business. The Company intends to vigorously defend itself in such litigation. The Company does not believe that the outcome of any pending litigation will have a material adverse effect on its consolidated financial statements. The Company will accrue for contingencies related to litigation and regulatory matters if it is probable that a liability has been incurred and the amount of the loss can be reasonably estimated. Because litigation is inherently unpredictable and unfavorable resolutions can occur, assessing contingencies is highly subjective and requires judgments about future events. The Company regularly reviews contingencies to determine whether its accruals are adequate. The amount of ultimate loss may differ from these estimates. Environmental Reserves As of September 30, 2025 and October 31, 2024, the Company has accrued $9.8 million for the Diamond Alkali Superfund Site. It is possible that there could be resolution of uncertainties in the future that would require the Company to record charges, which could be material to future earnings. Aside from the Diamond Alkali Superfund Site, other environmental reserves of the Company as of September 30, 2025 and October 31, 2024 included $7.5 million and $6.7 million, respectively, for its various facilities around the world. As of September 30, 2025 and October 31, 2024, the Company’s environmental reserves were $17.3 million and $16.5 million, respectively. These reserves are principally based on environmental studies and cost estimates provided by third parties, but also take into account management estimates. The estimated liabilities are reduced to reflect the anticipated participation of other potentially responsible parties in those instances where it is probable that such parties are legally responsible and financially capable of paying their respective shares of relevant costs.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 863.1	$ 295.5	$ 379.1
Other comprehensive income (loss), net of tax:
Foreign currency translation	113.5	2.5	(1.1)
Derivative financial instruments	(25.8)	(37.8)	(1.1)
Minimum pension liabilities	17.1	(4.4)	(11.9)
Other comprehensive (loss) income, net of tax	104.8	(39.7)	(14.1)
Comprehensive income	967.9	255.8	365.0
Comprehensive income attributable to noncontrolling interests	23.6	25.6	20.0
Comprehensive income attributable to Greif, Inc.	$ 944.3	$ 230.2	$ 345.0

STOCK-BASED COMPENSATION (Tables)

11 Months Ended

Sep. 30, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of Nonvested Restricted Stock Units Activity

The Company has made the following grants of RSUs under the 2020 LTIP Plan:

Grant Date

December 13, 2024

December 12, 2023

December 14, 2022

Service Period

11/1/2024 - 9/30/2027

11/1/2023 - 9/30/2026

11/1/2022 - 9/30/2025

RSUs Granted

123,800

120,843

105,753

Weighted Average Fair Value of RSUs

$66.61

$62.83

$68.99

Schedule of Valuation Assumptions

The following table summarizes the key assumptions used in estimating the value of PSUs:


Grant Date	December 13, 2024	December 12, 2023	December 14, 2022
Performance Period	11/1/2024 - 9/30/2027	11/1/2023 - 9/30/2026	11/1/2022 - 9/30/2025
PSUs Granted	215,953	202,402	183,218
Weighted Average Fair Value of PSUs at Grant Date	$61.19	$60.77	$70.06
Weighted Average Fair Value of PSUs at Valuation Date	$58.10	$102.42	$110.57
Valuation Date Stock Price	$59.76	$59.76	$59.76
Risk-Free Rate at Valuation Date	3.6%	3.6%	—%
Estimated Volatility at Valuation Date	28.4%	29.3%	—%

FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS

11 Months Ended

Sep. 30, 2025

Fair Value Disclosures [Abstract]

FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS

Recurring Fair Value Measurements

The following table presents the fair value of those assets and (liabilities) measured on a recurring basis as of September 30, 2025 and October 31, 2024:


	September 30, 2025
	Assets								Liabilities
(in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Interest rate derivatives	$	—	$	22.1	$	—	$	22.1	$	—	$	—	$	—	$	—
Foreign exchange hedges	—		0.5		—		0.5		—		(0.6)		—		(0.6)
Insurance annuity	—		—		20.3		20.3		—		—		—		—
Cross currency swap	—		5.9		—		5.9		—		(51.0)		—		(51.0)

	October 31, 2024
	Assets								Liabilities
(in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Interest rate derivatives	$	—	$	40.4	$	—	$	40.4	$	—	$	(5.6)	$	—	$	(5.6)
Foreign exchange hedges	—		0.2		—		0.2		—		(0.1)		—		(0.1)
Insurance annuity	—		—		18.9		18.9		—		—		—		—
Cross currency swap	—		17.6		—		17.6		—		(6.4)		—		(6.4)

The carrying amounts of cash and cash equivalents, trade accounts receivable, accounts payable, current liabilities and short-term borrowings as of September 30, 2025 and October 31, 2024 approximate their fair values because of the short-term nature of these items and are not included in this table.

Interest Rate Derivatives

As of September 30, 2025, the Company has various interest rate swaps with a total notional amount of $562.5 million ($1,400.0 million as of October 31, 2024), maturing between March 1, 2027 and July 16, 2029. The Company will receive variable rate interest payments based upon one-month U.S. dollar SOFR, and in return the Company will be obligated to pay interest at a weighted average fixed interest rate of 1.87%. This effectively will convert the borrowing rate on an amount of debt equal to the notional amount of the interest rate swaps from a variable rate to a fixed rate.

These derivatives are designated as cash flow hedges for accounting purposes. Accordingly, the gain or loss on these derivative instruments are reported as a component of other comprehensive income and reclassified into earnings in the same line item associated with the forecasted transaction and in the same period during which the hedged transaction affects earnings. See Note 14 herein for additional disclosures of the aggregate gain or loss included within other comprehensive income. The assumptions used in measuring fair value of these interest rate derivatives are considered level 2 inputs, which are based upon observable market rates, including SOFR and interest paid based upon a designated fixed rate over the life of the swap agreements.

Gains reclassified to earnings under these contracts were $17.6 million, $34.8 million and $28.5 million for the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023. A derivative gain of $8.4 million, based upon interest rates at September 30, 2025, is expected to be reclassified from accumulated other comprehensive income (loss) to earnings in the next twelve months.

During the year ended September 30, 2025 (11-month), the Company accelerated the reclassification of amounts in other comprehensive income to earnings as a result of the hedged forecasted transactions becoming probable not to occur. The accelerated amounts were a loss of $5.3 million.

Foreign Exchange Hedges

The Company conducts business in various international currencies and is subject to risks associated with changing foreign exchange rates. The Company’s objective is to reduce volatility associated with foreign exchange rate changes. Accordingly, the Company enters into various contracts that change in value as foreign exchange rates change to protect the value of certain

existing foreign currency assets and liabilities, commitments and anticipated foreign currency cash flows. As of September 30, 2025, the Company had outstanding foreign currency forward contracts in the notional amount of $165.0 million ($74.1 million as of October 31, 2024).

Adjustments to fair value are recognized in earnings, offsetting the impact of the hedged profits. The assumptions used in measuring fair value of foreign exchange hedges are considered level 2 inputs, which were based on observable market pricing for similar instruments, principally foreign exchange futures contracts.

Realized gains recorded in other expense, net under fair value contracts were $0.4 million, $1.0 million and $1.2 million for the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023, respectively. Unrealized net gains (losses) recognized by the Company in other expense, net were $(0.1) million, $0.1 million and zero for the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023, respectively.

Cross Currency Swap

As of September 30, 2025, the Company had various cross currency interest rate swaps that synthetically swap $534.9 million ($447.6 million as of October 31, 2024) of U.S. fixed rate debt to Euro denominated fixed rate debt. The Company receives a weighted average rate of 1.64% on these swaps. These agreements are designated as either net investment hedges or cash flow hedges for accounting purposes and will mature between October 5, 2026 and November 3, 2028.

The gain or loss on the net investment hedge derivative instruments is included in the foreign currency translation component of other comprehensive income until the net investment is sold, diluted, or liquidated. See Note 14 herein for additional disclosures of the aggregate gain or loss included within other comprehensive income. The gain or loss on the cash flow hedge derivative instruments is included in the unrealized foreign exchange component of other expense, offset by the underlying gain or loss on the underlying cash flows that are being hedged. Interest payments received for the cross currency swap are excluded from the net investment hedge effectiveness assessment and are recorded in interest expense, net on the consolidated statements of income. The assumptions used in measuring fair value of the cross currency swap are considered level 2 inputs, which are based upon the Euro to United States dollar exchange rate market.

For the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023, gains recorded in interest expense, net under the cross currency swap agreements were $6.9 million, $6.4 million and $5.1 million, respectively.

During the first quarter of 2025, the Company executed a cash settlement of certain cross-currency swap contracts and simultaneously entered into new cross-currency swaps at prevailing market rates. The net cash settlement from restriking these swaps resulted in a cash receipt of $22.5 million of which $11.5 million related to cross-currency swap contracts designated as net investment hedges and $11.0 million related to cross-currency swap contracts designated as cash flow hedges.

The net investment hedges that were settled resulted in a final gain of $11.3 million, which is included in the foreign currency translation component of other comprehensive income (“OCI”) and the final OCI balance on these transactions is maintained on the balance sheet until the underlying hedged subsidiary is either sold or substantially liquidated. For the cash flow hedges that were settled, the gain will be recognized to income, through interest expense, over time through an amortization of the remaining OCI balance at termination. This OCI balance amounted to $1.8 million and will be recognized on a straight-line basis to the income statement through the transaction’s original maturity date of October 5, 2026.

Other Financial Instruments

The fair values of the Company’s 2022 Credit Agreement, the 2023 Credit Agreement, the U.S. RFA and the European RFA do not materially differ from carrying value as the Company’s cost of borrowing is variable and approximates current borrowing rates. The fair values of the Company’s long-term obligations are estimated based on either the quoted market prices for the same or similar issues or the current interest rates offered for the debt of the same remaining maturities, which are considered level 2 inputs in accordance with ASC 820, “Fair Value Measurements and Disclosures.”

Pension Plan Assets

On an annual basis the Company compares the asset holdings of its pension plan to targets it previously established. The pension plan assets are categorized as equity securities, debt securities, fixed income securities, insurance annuities or other assets, which are considered level 1, level 2 and level 3 fair value measurements. See Note 9 herein for additional disclosures related to pension plan assets. The typical asset holdings include:

•Common stock: Valued based on quoted prices and are primarily exchange-traded.

•Mutual funds: Valued at the Net Asset Value (“NAV”) available daily in an observable market.

•Common collective trusts: Unit value calculated based on the observable NAV of the underlying investment.

•Pooled separate accounts: Unit value calculated based on the observable NAV of the underlying investment.

•Government and corporate debt securities: Valued based on readily available inputs such as yield or price of bonds of comparable quality, coupon, maturity and type.

•Insurance annuity: Value is derived based on the value of the corresponding liability.

Non-Recurring Fair Value Measurements

The assumptions used in measuring fair value of long-lived assets are considered level 3 inputs, which include bids received from third parties, recent purchase offers, market comparable information and discounted cash flows based on assumptions that market participants would use. The assumptions used in measuring fair value of assets and liabilities held for sale are considered level 3 inputs, which include recent purchase offers, market comparables and/or data obtained from commercial real estate brokers. On an annual basis or when events or circumstances indicate impairment may have occurred, the Company performs impairment tests for goodwill and indefinite-lived intangibles as defined under ASC 350, “Intangibles - Goodwill and Other.”

The Company recognized asset impairment charges of $37.9 million and $2.6 million for the years ended September 30, 2025 (11-month) and October 31, 2024.

The following table presents quantitative information about the significant unobservable inputs used to determine the fair value of the impairment of items including: long-lived assets held and used, net assets held for sale, goodwill and indefinite-lived intangibles for the years ended September 30, 2025 (11-month) and October 31, 2024:

Quantitative Information about Non-Recurring Fair Value Measurements

(in millions)

Fair Value of
Impairment

Valuation
Technique

Unobservable
Input

Range
of Input Values

September 30, 2025

Impairment of Long-Lived Assets

23.4

Discounted Cash Flows, Indicative Bids

N/A

Impairment of Net Assets Held for Sale

14.5

Indicative Bids

N/A

Total

37.9

October 31, 2024

Impairment of Long-Lived Assets

2.6

Discounted Cash Flows, Indicative Bids

N/A

Total

2.6

During the year ended September 30, 2025 (11-month), the Company wrote down long-lived assets with a carrying value of $49.4 million to a fair value of $26.0 million, resulting in recognized asset impairment charges of $23.4 million. These charges include $0.7 million related to properties, plants and equipment, net, in the Customized Polymer Solutions reportable segment, $2.3 million related to properties, plants and equipment, net, in the Durable Metal Solutions reportable segment, $17.3 million related to properties, plants and equipment, net, in the Sustainable Fiber Solutions reportable segment, $0.5 million related to properties, plants and equipment, net, in the Integrated Solutions reportable segment, $2.4 million related to definite-lived intangibles in the Customized Polymer Solutions reportable segment and $0.2 million related to definite-lived intangibles in the Integrated Solutions reportable segment. During the year ended September 30, 2025 (11-month), the Company also recognized impairment charges of $14.5 million related to net assets held for sale in the Sustainable Fiber Solutions reportable segment.

During the year ended October 31, 2024, the Company wrote down long-lived assets with a carrying value of $10.7 million to a fair value of $8.1 million, resulting in recognized asset impairment charges of $2.6 million. These charges include $0.3 million related to properties, plants and equipment, net, in the Customized Polymer Solutions reportable segment, $0.4 million related to properties, plants and equipment, net, in the Durable Metal Solutions reportable segment, $1.7 million related to properties, plants and equipment, net, in the Sustainable Fiber Solutions reportable segment and $0.2 million related to properties, plants and equipment, net, in the Integrated Solutions reportable segment.

During the year ended October 31, 2023, the Company wrote down long-lived assets with a carrying value of $30.5 million to a fair value of $10.2 million, resulting in recognized asset impairment charges of $20.3 million. These charges include $0.1 million related to properties, plants and equipment, net, in the Customized Polymer Solutions reportable segment, $1.8 million related to properties, plants and equipment, net, in the Durable Metal Solutions reportable segment, $17.7 million related to properties, plants and equipment, net, in the Sustainable Fiber Solutions reportable segment and $0.7 million related to properties, plants and equipment, net, in the Integrated Solutions reportable segment.

POST-RETIREMENT BENEFIT PLANS

11 Months Ended

Sep. 30, 2025

Retirement Benefits [Abstract]

POST-RETIREMENT BENEFIT PLANS

Defined Benefit Pension Plans

The Company has certain non-contributory defined benefit pension plans for salaried and hourly employees in the United States, Germany, the Netherlands and the United Kingdom. The Company uses a measurement date of September 30 beginning with fiscal 2025 and used October 31 for fiscal 2024 or any prior fiscal years for its pension plans. The salaried employees plans’ benefits are based primarily on years of service and earnings. The hourly employees plans’ benefits are based primarily upon years of service, and certain benefit provisions are subject to collective bargaining. The Company contributes an amount that is not less than the minimum funding and not more than the maximum tax-deductible amount to these plans. Salaried employees in the United States who commence service on or after November 1, 2007 are not eligible to participate in the U.S. defined benefit pension plan, but are eligible to participate in a defined contribution retirement program. Salaried employees outside the U.S. also have various dates in which they are not eligible to participate in the respective defined benefit pension plans, but are eligible to participate in a defined contribution retirement program. The category “International” represents the non-contributory defined benefit pension plans in Germany, the Netherlands and the United Kingdom for September 30, 2025 (11-month) and October 31, 2024.

Pension plan contributions by the Company totaled $4.8 million during 2025 (11-month), which consisted of $1.0 million of employer contributions and $3.8 million of benefits paid directly by the Company. Pension plan contributions, including benefits paid directly by the Company, totaled $7.9 million and $27.5 million during 2024 and 2023, respectively. Contributions, including benefits paid directly by the Company, during 2026 are expected to be approximately $6.0 million.

The following table presents the number of participants in the defined benefit plans:


September 30, 2025	Consolidated	United States	International
Active participants	922	842	80
Vested former employees and deferred members	3,274	2,809	465
Retirees and beneficiaries	3,657	2,351	1,306

October 31, 2024	Consolidated	United States	International
Active participants	1,323	1,239	84
Vested former employees and deferred members	3,129	2,672	457
Retirees and beneficiaries	3,446	2,240	1,206

The weighted average assumptions used to measure the year-end benefit obligations as of September 30 and October 31 were as follows:


	September 30,		October 31,
	2025		2024
Discount rate	5.12	%	5.11	%
Rate of compensation increase	2.96	%	2.96	%

The weighted average assumptions used to determine the pension cost for the years ended September 30 and October 31 were as follows:


	11 Months		12 Months		12 Months
	September 30,		October 31,		October 31,
Year Ended	2025		2024		2023
Discount rate	5.11	%	6.05	%	5.61	%
Expected return on plan assets	5.58	%	5.84	%	4.99	%
Rate of compensation increase	2.96	%	2.96	%	2.99	%

The discount rate is determined by developing a hypothetical portfolio of individual high-quality corporate bonds available at the measurement date, the coupon and principal payments of which would be sufficient to satisfy the plans’ expected future benefit payments as defined for the projected benefit obligation. The discount rate by country is equivalent to the average yield on that hypothetical portfolio of bonds and is a reflection of current market settlement rates on such high quality bonds, government treasuries and annuity purchase rates. To determine the expected long-term rate of return on pension plan assets, the Company considers current and expected asset allocations, as well as historical and expected returns on various categories of plan assets. In developing future return expectations for the defined benefit pension plans’ assets, the Company formulates views on the future economic environment, both in the U.S. and globally. The Company evaluates general market trends and historical relationships among a number of key variables that impact asset class returns, such as expected earnings growth, inflation, valuations, yields and spreads, using both internal and external sources. The Company takes into account expected volatility by asset class and diversification across classes to determine expected overall portfolio results given current and expected allocations. The Company uses published mortality tables for determining the expected lives of plan participants and believes that the tables selected are most-closely associated with the expected lives of plan participants as the tables are based on the country in which the participant is employed.

Based on the Company’s analysis of future expectations of asset performance, past return results and its current and expected asset allocations, the Company has assumed a 5.58% long-term expected return on those assets for cost recognition in 2025. For the defined benefit pension plans, the Company applies its expected rate of return to a market-related value of assets, which stabilizes variability in the amounts to which the Company applies that expected return.

The Company amortizes experience gains and losses as well as the effects of changes in actuarial assumptions and plan provisions over a period no longer than the average future service of employees.

During the year ended September 30, 2025 (11 months), the Company sold the Containerboard Business and decided to freeze benefit accruals for certain union and non-union participants in the United States pension plan effective December 31 2025. The curtailment item described above resulted in a reduction to the projected benefit obligation, as well as accumulated other comprehensive loss by $11.2 million.

During the year ended October 31, 2023, plan assets of $7.7 million were used to purchase $5.9 million in annuity contracts and pay $1.8 million in lump sums to retirees to settle the pension obligation and close the Canada pension plans. The settlement items described above resulted in non-cash pension settlement charges of $3.5 million of unrecognized net actuarial loss included in accumulated other comprehensive loss for the year ended October 31, 2023.

Benefit Obligations

The components of net periodic pension cost include the following:


For the year ended September 30, 2025 (11-month)
(in millions)	Consolidated		United States		International
Service cost	$	5.0	$	3.8	$	1.2
Interest cost	28.4		21.8		6.6
Expected return on plan assets	(35.1)		(27.1)		(8.0)
Amortization of prior service benefit	(0.1)		—		(0.1)
Recognized net actuarial loss	0.5		—		0.5



Net periodic pension (income) cost	$	(1.3)	$	(1.5)	$	0.2
For the year ended October 31, 2024
(in millions)	Consolidated		United States		International
Service cost	$	5.7	$	4.2	$	1.5
Interest cost	34.9		26.7		8.2
Expected return on plan assets	(43.5)		(33.4)		(10.1)
Amortization of prior service benefit	(0.3)		(0.2)		(0.1)
Recognized net actuarial gain	(0.9)		(0.9)		—



Net periodic pension (income) cost	$	(4.1)	$	(3.6)	$	(0.5)
For the year ended October 31, 2023
(in millions)	Consolidated		United States		International
Service cost	$	6.8	$	5.3	$	1.5
Interest cost	35.0		26.8		8.2
Expected return on plan assets	(39.0)		(30.6)		(8.4)
Amortization of prior service benefit	(0.4)		(0.3)		(0.1)
Recognized net actuarial (gain) loss	(2.1)		(2.2)		0.1

Special Events
Settlement	3.5		—		3.5
Net periodic pension (income) cost	$	3.8	$	(1.0)	$	4.8

Benefit obligations are described in the following tables. Accumulated and projected benefit obligations (“ABO” and “PBO”) represent the obligations of a pension plan for past service as of the measurement date. ABO is the present value of benefits earned to date with benefits computed based on current compensation levels. PBO is ABO increased to reflect expected future compensation.

The following table sets forth the plans’ change in projected benefit obligation:


For the year ended September 30, 2025 (11-month)
(in millions)	Consolidated		United States		International
Change in benefit obligation:
Benefit obligation at beginning of year	$	654.1	$	469.9	$	184.2
Service cost	5.0		3.8		1.2
Interest cost	28.4		21.8		6.6
Plan participant contributions	0.2		—		0.2
Expenses paid from assets	(2.9)		(1.9)		(1.0)

Actuarial (gain) loss	(0.6)		10.2		(10.8)
Foreign currency impact	9.1		—		9.1
Benefits paid	(48.8)		(38.4)		(10.4)

Curtailments	(11.2)		(11.2)		—

Discontinued operations	1.1		1.1		—

Benefit obligation at end of year	$	634.4	$	455.3	$	179.1
For the year ended October 31, 2024
(in millions)	Consolidated		United States		International
Change in benefit obligation:
Benefit obligation at beginning of year	$	604.1	$	437.5	$	166.6
Service cost	5.7		4.2		1.5
Interest cost	34.9		26.7		8.2
Plan participant contributions	0.2		—		0.2
Expenses paid from assets	(3.2)		(1.5)		(1.7)

Actuarial loss	52.8		40.8		12.0
Foreign currency impact	8.5		—		8.5
Benefits paid	(49.9)		(38.9)		(11.0)



Discontinued operations	1.1		1.1		—
Other	(0.1)		—		(0.1)
Benefit obligation at end of year	$	654.1	$	469.9	$	184.2

The following tables set forth the PBO, ABO, plan assets and instances where the ABO exceeds the plan assets for the respective years:


(in millions)	Consolidated		United States		International
Actuarial value of benefit obligations and plan assets
September 30, 2025
Projected benefit obligation	$	634.4	$	455.3	$	179.1
Accumulated benefit obligation	632.0		454.0		178.0
Plan assets	639.3		486.4		152.9
October 31, 2024
Projected benefit obligation	$	654.1	$	469.9	$	184.2
Accumulated benefit obligation	640.1		457.4		182.7
Plan assets	640.9		482.8		158.1
Plans with ABO in excess of Plan assets
September 30, 2025
Accumulated benefit obligation	$	110.8	$	28.5	$	82.3
Plan assets	52.8		—		52.8
October 31, 2024
Accumulated benefit obligation	$	109.4	$	28.8	$	80.6
Plan assets	51.7		—		51.7

The actuarial (gain) loss for all pension plans was primarily related to a change in discount rates used to measure the benefit obligations of those plans.

Future benefit payments for the Company’s global plans, which reflect expected future service, as appropriate, during the next five years, and in the aggregate for the five years thereafter, are as follows:


(in millions)	Expected Benefit Payments
Year(s)
2026	$	73.1
2027	63.7
2028	56.2
2029	54.6
2030	51.9
2031-2035	228.5

Plan assets

The assets of all the Company’s plans consist of U.S. and non-U.S. equity securities, government and corporate bonds, cash, insurance annuities and mutual funds.

The investment policy reflects the long-term nature of the plans’ funding obligations. The assets are invested to provide the opportunity for both income and growth of principal. This objective is pursued as a long-term goal designed to provide required benefits for participants without undue risk. It is expected that this objective can be achieved through a well-diversified asset portfolio. All equity investments are made within the guidelines of quality, marketability and diversification mandated by the Employee Retirement Income Security Act and/or other relevant statutes and laws. Investment managers are directed to maintain equity portfolios at a risk level approximately equivalent to that of the specific benchmark established for that portfolio.

The Company’s weighted average asset allocations at the measurement date and the target asset allocations by category are as follows:


Asset Category	2026 Target		2025 Target		2025 Actual
Equity securities	18	%	20	%	18	%
Debt securities	56	%	53	%	57	%
Other	26	%	27	%	25	%
Total	100	%	100	%	100	%

The fair value of the pension plans’ investments is presented below. The inputs and valuation techniques used to measure the fair value of the assets are consistently applied and described in Note 6 of the Notes to the Consolidated Financial Statements.


For the year ended September 30, 2025 (11-month)
(in millions)	Consolidated		United States		International
Change in plan assets:
Fair value of plan assets at beginning of year	$	640.9	$	482.8	$	158.1
Actual return on plan assets	38.1		41.6		(3.5)
Expenses paid	(2.9)		(1.9)		(1.0)
Plan participant contributions	0.2		—		0.2
Foreign currency impact	7.0		—		7.0
Employer contributions	1.0		—		1.0
Benefits paid out of plan	(45.0)		(36.1)		(8.9)


Fair value of plan assets at end of year	$	639.3	$	486.4	$	152.9
For the year ended October 31, 2024
(in millions)	Consolidated		United States		International
Change in plan assets:
Fair value of plan assets at beginning of year	$	584.0	$	431.6	$	152.4
Actual return on plan assets	96.9		88.5		8.4
Expenses paid	(3.2)		(1.5)		(1.7)
Plan participant contributions	0.2		—		0.2
Foreign currency impact	8.7		—		8.7
Employer contributions	3.4		—		3.4
Benefits paid out of plan	(45.3)		(35.8)		(9.5)

Other	(3.8)		—		(3.8)
Fair value of plan assets at end of year	$	640.9	$	482.8	$	158.1

The following table presents the fair value measurements for the pension assets:


	Fair Value Measurement
As of September 30, 2025 (in millions)	Level 1		Level 2		Level 3		Total
Asset Category
Mutual funds	$	34.4	$	0.1	$	—	$	34.5

Cash	4.7		—		—		4.7

Corporate bonds	—		174.0		—		174.0
Government bonds	—		103.1		—		103.1
Other assets	—		4.8		—		4.8
Total Assets in the Fair Value Hierarchy	39.1		282.0		—		321.1
Investments Measured at Net Asset Value

Insurance contracts							148.3
Common stock funds							81.7
Corporate bond funds							123.7

Investments at Fair Value*	$	39.1	$	282.0	$	—	$	674.8

	Fair Value Measurement
As of October 31, 2024 (in millions)	Level 1		Level 2		Level 3		Total
Asset Category
Mutual funds	$	40.0	$	0.1	$	—	$	40.1

Cash	6.9		—		—		6.9

Corporate bonds	—		164.5		—		164.5
Government bonds	—		80.1		—		80.1
Other assets	—		4.2		—		4.2
Total Assets in the Fair Value Hierarchy	46.9		248.9		—		295.8
Investments Measured at Net Asset Value

Insurance contracts							153.6
Common stock funds							97.1
Corporate bond funds							116.9

Investments at Fair Value*	$	46.9	$	248.9	$	—	$	663.4

* Excludes net payables of $35.5 million and $22.5 million as of September 30, 2025 and October 31, 2024, which consists of interest and pending sales and purchases of securities.

Financial statement presentation including other comprehensive income:


As of September 30, 2025
(in millions)	Consolidated		United States		International
Unrecognized net actuarial loss	$	102.3	$	21.8	$	80.5
Unrecognized prior service benefit	(0.7)		—		(0.7)

Accumulated other comprehensive loss - pre-tax	$	101.6	$	21.8	$	79.8
Amounts recognized in the consolidated balance sheets consist of:
Prepaid benefit cost	$	64.1	$	59.6	$	4.5
Accrued benefit liability	(59.2)		(28.5)		(30.7)
Accumulated other comprehensive loss - pre-tax	101.6		21.8		79.8
Net amount recognized	$	106.5	$	52.9	$	53.6
As of October 31, 2024
(in millions)	Consolidated		United States		International
Unrecognized net actuarial loss	$	115.1	$	37.4	$	77.7
Unrecognized prior service benefit	(0.8)		—		(0.8)

Accumulated other comprehensive loss - pre-tax	$	114.3	$	37.4	$	76.9
Amounts recognized in the consolidated balance sheets consist of:
Prepaid benefit cost	$	46.0	$	41.7	$	4.3
Accrued benefit liability	(59.2)		(28.8)		(30.4)
Accumulated other comprehensive loss - pre-tax	114.3		37.4		76.9
Net amount recognized	$	101.1	$	50.3	$	50.8


	11 Months		12 Months
(in millions)	September 30, 2025		October 31, 2024
Accumulated other comprehensive loss at beginning of year	$	114.3	$	109.2
Increase or (decrease) in accumulated other comprehensive loss

Net prior service cost amortized	0.1		0.3
Net (gain) loss amortized	(0.5)		0.9





Liability (gain) loss	(11.8)		52.8
Asset gain	(3.1)		(53.5)
Other adjustments	—		0.3
(Decrease) increase in accumulated other comprehensive loss	(15.3)		0.8
Foreign currency impact	2.6		4.3
Accumulated other comprehensive loss at year end	$	101.6	$	114.3

Supplemental Employee Retirement Plan

The Company has a supplemental employee retirement plan that is an unfunded plan providing supplementary retirement benefits primarily to certain executives and longer-service employees who participate or have participated in the U.S. defined benefit pension plan. The present benefit obligation of the supplemental employee retirement plan is included in the United States defined benefit pension plans above.

Defined contribution plans

The Company has several voluntary 401(k) savings plans that cover eligible employees in the U.S. For certain plans, the Company matches a percentage of each employee’s contribution up to a maximum percentage of base salary. The Company’s contributions to the 401(k) plans were $29.8 million, $29.0 million and $29.1 million in 2025 (11-month), 2024 and 2023, respectively.

ACQUISITIONS AND DIVESTITURES (Tables)

11 Months Ended

Sep. 30, 2025

Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations

The following table presents results of operations of the Containerboard Business from discontinued operations:


	11 Months		12 Months
	September 30,		October 31,
Year Ended (in millions, except per share amounts)	2025		2024
Net sales	$	975.7	$	1,093.2
Cost of products sold	770.9		921.5
Gross profit	204.8		171.7
Selling, general and administrative expenses	37.7		44.6





(Gain) loss on disposal of businesses, net	(1,096.8)		0.3
Operating profit	1,263.9		126.8
Interest expense, net	67.8		88.9



Income from discontinued operations before income tax expense and equity earnings of unconsolidated affiliates, net	1,196.1		37.9
Income tax expense	371.2		5.0

Net income from discontinued operations	824.9		32.9

Net income from discontinued operations attributable to Greif, Inc.	$	824.9	$	32.9

The following tables present assets and liabilities of the Containerboard Business from discontinued operations classified as held for sale:


(in millions)	October 31, 2024
ASSETS

Trade accounts receivable, net of allowance	$	108.2
Inventories	71.4





Other current assets	19.7
Total current assets from discontinued operations	199.3
Goodwill	298.2
Other intangible assets, net of amortization	4.4


Operating lease right-of-use assets	65.7

Other long-term assets	0.9
Total long-term assets from discontinued operations	369.2

Land	16.7
Buildings	108.6
Machinery and equipment	646.5
Capital projects in progress	17.8
	789.6
Accumulated depreciation	(520.5)
Total properties, plants and equipment, net from discontinued operations	269.1
Total assets from discontinued operations classified as held for sale	$	837.6
LIABILITIES
Accounts payable	$	63.3
Accrued payroll and employee benefits	15.1



Current portion of operating lease liabilities	9.6

Other current liabilities	13.0
Total current liabilities from discontinued operations	101.0

Operating lease liabilities	55.8




Contingent liabilities and environmental reserves	2.6

Other long-term liabilities	1.4
Total long-term liabilities from discontinued operations	59.8
Total liabilities from discontinued operations classified as held for sale	$	160.8

The following table presents depreciation, amortization, and capital expenditures of the Containerboard Business from discontinued operations:


	11 Months		12 Months
	September 30,		October 31,
Year Ended (in millions, except per share amounts)	2025		2024
Depreciation and amortization	$	24.2	$	33.6
Capital expenditures	50.0		49.9

Schedule of Business Combination, Recognized Asset Acquired and Liability Assumed

The following table summarizes the consideration transferred to acquire Ipackchem and the final valuation of identifiable assets acquired and liabilities assumed at the acquisition date:


(in millions)	Amounts Recognized as of the Acquisition Date		Measurement Period Adjustments		Amount Recognized as of Acquisition Date (as Adjusted)
Fair value of consideration transferred
Cash consideration	$	582.1	$	—	$	582.1

Recognized amounts of identifiable assets acquired and liabilities assumed
Cash and cash equivalents	$	14.5	$	—	$	14.5
Accounts receivable	50.9		—		50.9
Inventories	36.7		—		36.7
Other current assets	4.9		(0.6)		4.3
Intangibles	231.7		1.4		233.1
Operating lease right-of-use assets	15.1		2.4		17.5
Finance lease right-of-use assets	8.2		2.2		10.4
Other long-term assets	1.0		—		1.0
Properties, plants and equipment	91.5		(2.9)		88.6
Total assets acquired	454.5		2.5		457.0

Accounts payable	(17.2)		—		(17.2)

Short-term borrowings	(26.2)		—		(26.2)
Other current liabilities	(13.2)		0.1		(13.1)

Operating lease liabilities	(14.2)		(3.3)		(17.5)
Finance lease liabilities	(10.0)		(0.5)		(10.5)
Long-term deferred tax liability	(62.1)		(1.5)		(63.6)
Other long-term liabilities	(5.3)		(2.5)		(7.8)
Total liabilities assumed	(148.2)		(7.7)		(155.9)
Total identifiable net assets	$	306.3	(5.2)		301.1
Goodwill	$	275.8	$	5.2	$	281.0

Schedule of Business Combination, Intangible Asset, Acquired, Finite-Lived

The following table summarizes the final purchase price allocation and weighted average remaining useful lives for identifiable intangible assets acquired as of the acquisition date:


(in millions)	Purchase Price Allocation		Weighted Average Estimated Useful Life
Customer relationships	$	183.8	13.5
Developed technology	39.0		8.0
Trademarks	10.3		5.0
Total intangible assets	$	233.1

Schedule of Business Acquisition, Pro Forma Information


	Twelve Months Ended October 31,
(in millions, except per share amounts)	2024		2023
Pro forma net sales	$	4,443.8	$	4,396.2
Pro forma net income from continuing operations attributable to Greif, Inc.	256.1		276.0
Basic earnings per share from continuing operations attributable to Greif, Inc. common shareholders:
Class A common stock	$	4.44	$	4.78
Class B common stock	$	6.65	$	7.16
Diluted earnings per share from continuing operations attributable to Greif, Inc. common shareholders:
Class A common stock	$	4.42	$	4.73
Class B common stock	$	6.65	$	7.16

- Definition

Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
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-Name Accounting Standards Codification
-Section 50
-Paragraph 3A
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-URI https://asc.fasb.org/1943274/2147482099/360-10-50-3A

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
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-Section 50
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 11: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

POST-RETIREMENT BENEFIT PLANS - Future Benefit Payments Next Five Years and Thereafter (Details) - Pension Plan $ in Millions	Sep. 30, 2025 USD ($)
Expected Benefit Payments
2026	$ 73.1
2027	63.7
2028	56.2
2029	54.6
2030	51.9
2031-2035	$ 228.5

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Insider Trading Arrangements	2 Months Ended
Insider Trading Arrangements	Sep. 30, 2025
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

EARNINGS PER SHARE - Computation of Earnings Per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Millions	2 Months Ended	3 Months Ended							10 Months Ended	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Numerator for basic and diluted EPS
Net income from continuing operations attributable to Greif, Inc.										$ 15.1	$ 235.9	$ 280.6
Net income from discontinued operations attributable to Greif, Inc.										824.9	32.9	78.6
Net income attributable to Greif, Inc.	$ 720.1	$ 64.0	$ 47.3	$ 8.6	$ 70.1	$ 87.1	$ 44.4	$ 67.2	$ 243.8	840.0	268.8	359.2
Dividends declared										(126.4)	(121.0)	(116.5)
Undistributed net income attributable to Greif, Inc.										$ 713.6	$ 147.8	$ 242.7
Class A common stock
Denominator for basic EPS –
Denominator for basic EPS (in shares)										26,076,015	25,751,386	25,592,928
Denominator for diluted EPS –
Denominator for diluted EPS (in shares)										26,344,952	25,977,401	25,999,231
EPS Basic
Common stock (continued operations) - basic (in usd per share)	$ (0.74)	$ 0.67	$ 0.42	$ (0.08)	$ 0.85	$ 1.35	$ 0.80	$ 1.09	$ 3.83	$ 0.27	$ 4.09	$ 4.86
Ccommon stock (discontinued operations) - basic (in usd per share)	13.14	0.43	0.40	0.23	0.36	0.16	(0.03)	0.08	0.40	14.20	0.57	1.36
Earnings per common stock - basic (in usd per share)	12.40	1.10	0.82	0.15	1.21	1.51	0.77	1.17	4.23	14.47	4.66	6.22
EPS Diluted
Common stock (continued operations) - diluted (in usd per share)	(0.73)	0.67	0.42	(0.08)	0.85	1.34	0.80	1.09	3.81	0.28	4.08	4.81
Common stock (discontinued operations) - diluted (in usd per share)	13.00	0.43	0.40	0.23	0.35	0.16	(0.03)	0.08	0.40	14.06	0.56	1.34
Earnings per common stock - diluted (in usd per share)	12.27	1.10	0.82	0.15	1.20	1.50	0.77	1.17	4.21	$ 14.34	$ 4.64	$ 6.15
Class B common stock
Denominator for basic EPS –
Denominator for basic EPS (in shares)										21,331,127	21,331,127	21,472,531
Denominator for diluted EPS –
Denominator for diluted EPS (in shares)										21,331,127	21,331,127	21,472,531
EPS Basic
Common stock (continued operations) - basic (in usd per share)	(1.13)	1.02	0.62	(0.13)	1.29	2.02	1.19	1.63	5.72	$ 0.38	$ 6.13	$ 7.28
Ccommon stock (discontinued operations) - basic (in usd per share)	19.72	0.64	0.60	0.35	0.53	0.24	(0.04)	0.12	0.61	21.31	0.85	2.04
Earnings per common stock - basic (in usd per share)	18.59	1.66	1.22	0.22	1.82	2.26	1.15	1.75	6.33	21.69	6.98	9.32
EPS Diluted
Common stock (continued operations) - diluted (in usd per share)	(1.13)	1.02	0.62	(0.13)	1.29	2.02	1.19	1.63	5.72	0.38	6.13	7.28
Common stock (discontinued operations) - diluted (in usd per share)	19.72	0.64	0.60	0.35	0.53	0.24	(0.04)	0.12	0.61	21.31	0.85	2.04
Earnings per common stock - diluted (in usd per share)	$ 18.59	$ 1.66	$ 1.22	$ 0.22	$ 1.82	$ 2.26	$ 1.15	$ 1.75	$ 6.33	$ 21.69	$ 6.98	$ 9.32

ACQUISITIONS AND DIVESTITURES - Intangible Assets Assumed (Details) - USD ($) $ in Millions		11 Months Ended
	Mar. 26, 2024	Sep. 30, 2025
Business Combination [Line Items]
Purchase Price Allocation		$ 3.9
Ipackchem Acquisition
Business Combination [Line Items]
Purchase Price Allocation	$ 233.1
Customer relationships \| Ipackchem Acquisition
Business Combination [Line Items]
Purchase Price Allocation	$ 183.8
Weighted Average Estimated Useful Life	13 years 6 months
Developed technology \| Ipackchem Acquisition
Business Combination [Line Items]
Purchase Price Allocation	$ 39.0
Weighted Average Estimated Useful Life	8 years
Trademarks \| Ipackchem Acquisition
Business Combination [Line Items]
Purchase Price Allocation	$ 10.3
Weighted Average Estimated Useful Life	5 years

- Definition

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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

Reference 41: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (g)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

Reference 42: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

+ Details

QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables)

11 Months Ended

Sep. 30, 2025

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Results of Operations

The quarterly results of operations for 2025 and 2024 are shown below:


	2025
(in millions, except per share amounts)	January 31,		April 30,		July 31,		September 30,
Net sales	$	995.8	$	1,101.3	$	1,134.7	$	701.3
Costs of products sold	801.1		841.4		877.4		541.7
Gross profit	194.7		259.9		257.3		159.6
Selling, general and administrative expenses	157.1		161.8		157.0		126.0
Acquisition and integration related costs	2.2		2.0		1.2		1.7
Restructuring and other charges	2.7		14.6		25.2		20.1

Non-cash asset impairment charges	13.7		10.7		3.4		10.1

(Gain) loss on disposal of properties, plants and equipment, net	(1.6)		0.5		(2.6)		(3.8)
Loss on disposal of businesses, net	0.9		0.5		—		0.5
Operating profit	19.7		69.8		73.1		5.0
Interest expense, net	16.2		15.6		14.5		9.8


Other expense (income), net	0.4		(0.2)		2.8		4.8
Income (loss) before income tax expense and equity earnings of unconsolidated affiliates, net	3.1		54.4		55.8		(9.6)
Income tax expense	2.6		23.6		11.8		26.8
Equity earnings of unconsolidated affiliates, net of tax	(0.4)		(0.4)		(0.7)		2.2
Net income (loss) from continuing operations	0.9		31.2		44.7		(38.6)
Net income from discontinued operations, net tax	13.5		23.3		24.7		763.4
Net income	14.4		54.5		69.4		724.8
Net income attributable to noncontrolling interests	(5.8)		(7.2)		(5.4)		(4.7)
Net income attributable to Greif, Inc.	$	8.6	$	47.3	$	64.0	$	720.1
Basic earnings (loss) per share attributable to Greif, Inc. common shareholders:
Class A common stock (continued operations) - basic	$	(0.08)	$	0.42	$	0.67	$	(0.74)
Class A common stock (discontinued operations) - basic	$	0.23	$	0.40	$	0.43	$	13.14
Earnings per Class A common stock - basic	$	0.15	$	0.82	$	1.10	$	12.40
Class B common stock (continued operations) - basic	$	(0.13)	$	0.62	$	1.02	$	(1.13)
Class B common stock (discontinued operations) - basic	$	0.35	$	0.60	$	0.64	$	19.72
Earnings per Class B common stock - basic	$	0.22	$	1.22	$	1.66	$	18.59
Diluted earnings (loss) per share attributed to Greif, Inc. common shareholders:
Class A common stock (continued operations) - diluted	$	(0.08)	$	0.42	$	0.67	$	(0.73)
Class A common stock (discontinued operations) - diluted	$	0.23	$	0.40	$	0.43	$	13.00
Earnings per Class A common stock - diluted	$	0.15	$	0.82	$	1.10	$	12.27
Class B common stock (continued operations) - diluted	$	(0.13)	$	0.62	$	1.02	$	(1.13)
Class B common stock (discontinued operations) - diluted	$	0.35	$	0.60	$	0.64	$	19.72
Earnings per Class B common stock - diluted	$	0.22	$	1.22	$	1.66	$	18.59


	2024
(in millions, except per share amounts)	January 31,		April 30,		July 31,		October 31,
Net sales	$	965.5	$	1,117.5	$	1,164.9	$	1,107.0
Costs of products sold	781.8		874.9		920.0		879.1
Gross profit	183.7		242.6		244.9		227.9
Selling, general and administrative expenses	134.9		155.9		152.8		146.3
Acquisition and integration related costs	2.6		11.5		2.0		2.4
Restructuring and other charges	5.7		(6.8)		2.7		3.8

Non-cash asset impairment charges	1.3		0.4		0.2		0.7

Gain on disposal of properties, plants and equipment, net	(2.7)		(0.3)		(3.4)		(2.7)
(Gain) loss on disposal of businesses, net	—		—		(46.1)		0.1
Operating profit	41.9		81.9		136.7		77.3
Interest expense, net	2.4		8.2		18.8		16.6


Other expense (income), net	9.1		(0.4)		0.8		0.6
Income before income tax expense and equity earnings of unconsolidated affiliates, net	30.4		74.1		117.1		60.1
Income tax (benefit) expense	(38.8)		21.3		33.5		6.2
Equity earnings of unconsolidated affiliates, net of tax	(0.5)		(0.7)		(0.9)		(1.0)
Net income from continuing operations	69.7		53.5		84.5		54.9
Net income (loss) from discontinued operations, net tax	4.6		(1.5)		9.1		20.7
Net income	74.3		52.0		93.6		75.6
Net income attributable to noncontrolling interests	(7.1)		(7.6)		(6.5)		(5.5)
Net income attributable to Greif, Inc.	$	67.2	$	44.4	$	87.1	$	70.1
Basic earnings per share attributable to Greif, Inc. common shareholders:
Class A common stock (continued operations) - basic	$	1.09	$	0.80	$	1.35	$	0.85
Class A common stock (discontinued operations) - basic	$	0.08	$	(0.03)	$	0.16	$	0.36
Earnings per Class A common stock - basic	$	1.17	$	0.77	$	1.51	$	1.21
Class B common stock (continued operations) - basic	$	1.63	$	1.19	$	2.02	$	1.29
Class B common stock (discontinued operations) - basic	$	0.12	$	(0.04)	$	0.24	$	0.53
Earnings per Class B common stock - basic	$	1.75	$	1.15	$	2.26	$	1.82
Diluted earnings per share attributed to Greif, Inc. common shareholders:
Class A common stock (continued operations) - diluted	$	1.09	$	0.80	$	1.34	$	0.85
Class A common stock (discontinued operations) - diluted	$	0.08	$	(0.03)	$	0.16	$	0.35
Earnings per Class A common stock - diluted	$	1.17	$	0.77	$	1.50	$	1.20
Class B common stock (continued operations) - diluted	$	1.63	$	1.19	$	2.02	$	1.29
Class B common stock (discontinued operations) - diluted	$	0.12	$	(0.04)	$	0.24	$	0.53
Earnings per Class B common stock - diluted	$	1.75	$	1.15	$	2.26	$	1.82

POST-RETIREMENT BENEFIT PLANS (Tables)

11 Months Ended

Sep. 30, 2025

Retirement Benefits [Abstract]

Schedule of Number of Participants in Defined Benefit Plans

The following table presents the number of participants in the defined benefit plans:


September 30, 2025	Consolidated	United States	International
Active participants	922	842	80
Vested former employees and deferred members	3,274	2,809	465
Retirees and beneficiaries	3,657	2,351	1,306

October 31, 2024	Consolidated	United States	International
Active participants	1,323	1,239	84
Vested former employees and deferred members	3,129	2,672	457
Retirees and beneficiaries	3,446	2,240	1,206

Schedule of Actuarial Assumptions Used to Measure Benefit Obligations and Pension Costs

The weighted average assumptions used to measure the year-end benefit obligations as of September 30 and October 31 were as follows:


	September 30,		October 31,
	2025		2024
Discount rate	5.12	%	5.11	%
Rate of compensation increase	2.96	%	2.96	%

The weighted average assumptions used to determine the pension cost for the years ended September 30 and October 31 were as follows:


	11 Months		12 Months		12 Months
	September 30,		October 31,		October 31,
Year Ended	2025		2024		2023
Discount rate	5.11	%	6.05	%	5.61	%
Expected return on plan assets	5.58	%	5.84	%	4.99	%
Rate of compensation increase	2.96	%	2.96	%	2.99	%

Schedule of Components Of Net Periodic Pension Cost

The components of net periodic pension cost include the following:


For the year ended September 30, 2025 (11-month)
(in millions)	Consolidated		United States		International
Service cost	$	5.0	$	3.8	$	1.2
Interest cost	28.4		21.8		6.6
Expected return on plan assets	(35.1)		(27.1)		(8.0)
Amortization of prior service benefit	(0.1)		—		(0.1)
Recognized net actuarial loss	0.5		—		0.5



Net periodic pension (income) cost	$	(1.3)	$	(1.5)	$	0.2
For the year ended October 31, 2024
(in millions)	Consolidated		United States		International
Service cost	$	5.7	$	4.2	$	1.5
Interest cost	34.9		26.7		8.2
Expected return on plan assets	(43.5)		(33.4)		(10.1)
Amortization of prior service benefit	(0.3)		(0.2)		(0.1)
Recognized net actuarial gain	(0.9)		(0.9)		—



Net periodic pension (income) cost	$	(4.1)	$	(3.6)	$	(0.5)
For the year ended October 31, 2023
(in millions)	Consolidated		United States		International
Service cost	$	6.8	$	5.3	$	1.5
Interest cost	35.0		26.8		8.2
Expected return on plan assets	(39.0)		(30.6)		(8.4)
Amortization of prior service benefit	(0.4)		(0.3)		(0.1)
Recognized net actuarial (gain) loss	(2.1)		(2.2)		0.1

Special Events
Settlement	3.5		—		3.5
Net periodic pension (income) cost	$	3.8	$	(1.0)	$	4.8

Schedule of Change in Projected Benefit Obligation

The following table sets forth the plans’ change in projected benefit obligation:


For the year ended September 30, 2025 (11-month)
(in millions)	Consolidated		United States		International
Change in benefit obligation:
Benefit obligation at beginning of year	$	654.1	$	469.9	$	184.2
Service cost	5.0		3.8		1.2
Interest cost	28.4		21.8		6.6
Plan participant contributions	0.2		—		0.2
Expenses paid from assets	(2.9)		(1.9)		(1.0)

Actuarial (gain) loss	(0.6)		10.2		(10.8)
Foreign currency impact	9.1		—		9.1
Benefits paid	(48.8)		(38.4)		(10.4)

Curtailments	(11.2)		(11.2)		—

Discontinued operations	1.1		1.1		—

Benefit obligation at end of year	$	634.4	$	455.3	$	179.1
For the year ended October 31, 2024
(in millions)	Consolidated		United States		International
Change in benefit obligation:
Benefit obligation at beginning of year	$	604.1	$	437.5	$	166.6
Service cost	5.7		4.2		1.5
Interest cost	34.9		26.7		8.2
Plan participant contributions	0.2		—		0.2
Expenses paid from assets	(3.2)		(1.5)		(1.7)

Actuarial loss	52.8		40.8		12.0
Foreign currency impact	8.5		—		8.5
Benefits paid	(49.9)		(38.9)		(11.0)



Discontinued operations	1.1		1.1		—
Other	(0.1)		—		(0.1)
Benefit obligation at end of year	$	654.1	$	469.9	$	184.2

Schedule of Benefit Obligations in Excess of Plan Assets

The following tables set forth the PBO, ABO, plan assets and instances where the ABO exceeds the plan assets for the respective years:


(in millions)	Consolidated		United States		International
Actuarial value of benefit obligations and plan assets
September 30, 2025
Projected benefit obligation	$	634.4	$	455.3	$	179.1
Accumulated benefit obligation	632.0		454.0		178.0
Plan assets	639.3		486.4		152.9
October 31, 2024
Projected benefit obligation	$	654.1	$	469.9	$	184.2
Accumulated benefit obligation	640.1		457.4		182.7
Plan assets	640.9		482.8		158.1
Plans with ABO in excess of Plan assets
September 30, 2025
Accumulated benefit obligation	$	110.8	$	28.5	$	82.3
Plan assets	52.8		—		52.8
October 31, 2024
Accumulated benefit obligation	$	109.4	$	28.8	$	80.6
Plan assets	51.7		—		51.7

Schedule of Future Benefit Payments Next Five Years and Thereafter


(in millions)	Expected Benefit Payments
Year(s)
2026	$	73.1
2027	63.7
2028	56.2
2029	54.6
2030	51.9
2031-2035	228.5

Schedule of Weighted Average Asset Allocations at Measurement Date and Target Asset Allocations

The Company’s weighted average asset allocations at the measurement date and the target asset allocations by category are as follows:


Asset Category	2026 Target		2025 Target		2025 Actual
Equity securities	18	%	20	%	18	%
Debt securities	56	%	53	%	57	%
Other	26	%	27	%	25	%
Total	100	%	100	%	100	%

Schedule of Fair Value of the Pension Plans Investments


For the year ended September 30, 2025 (11-month)
(in millions)	Consolidated		United States		International
Change in plan assets:
Fair value of plan assets at beginning of year	$	640.9	$	482.8	$	158.1
Actual return on plan assets	38.1		41.6		(3.5)
Expenses paid	(2.9)		(1.9)		(1.0)
Plan participant contributions	0.2		—		0.2
Foreign currency impact	7.0		—		7.0
Employer contributions	1.0		—		1.0
Benefits paid out of plan	(45.0)		(36.1)		(8.9)


Fair value of plan assets at end of year	$	639.3	$	486.4	$	152.9
For the year ended October 31, 2024
(in millions)	Consolidated		United States		International
Change in plan assets:
Fair value of plan assets at beginning of year	$	584.0	$	431.6	$	152.4
Actual return on plan assets	96.9		88.5		8.4
Expenses paid	(3.2)		(1.5)		(1.7)
Plan participant contributions	0.2		—		0.2
Foreign currency impact	8.7		—		8.7
Employer contributions	3.4		—		3.4
Benefits paid out of plan	(45.3)		(35.8)		(9.5)

Other	(3.8)		—		(3.8)
Fair value of plan assets at end of year	$	640.9	$	482.8	$	158.1

Schedule of Fair Value Measurements for Pension Assets

The following table presents the fair value measurements for the pension assets:


	Fair Value Measurement
As of September 30, 2025 (in millions)	Level 1		Level 2		Level 3		Total
Asset Category
Mutual funds	$	34.4	$	0.1	$	—	$	34.5

Cash	4.7		—		—		4.7

Corporate bonds	—		174.0		—		174.0
Government bonds	—		103.1		—		103.1
Other assets	—		4.8		—		4.8
Total Assets in the Fair Value Hierarchy	39.1		282.0		—		321.1
Investments Measured at Net Asset Value

Insurance contracts							148.3
Common stock funds							81.7
Corporate bond funds							123.7

Investments at Fair Value*	$	39.1	$	282.0	$	—	$	674.8

	Fair Value Measurement
As of October 31, 2024 (in millions)	Level 1		Level 2		Level 3		Total
Asset Category
Mutual funds	$	40.0	$	0.1	$	—	$	40.1

Cash	6.9		—		—		6.9

Corporate bonds	—		164.5		—		164.5
Government bonds	—		80.1		—		80.1
Other assets	—		4.2		—		4.2
Total Assets in the Fair Value Hierarchy	46.9		248.9		—		295.8
Investments Measured at Net Asset Value

Insurance contracts							153.6
Common stock funds							97.1
Corporate bond funds							116.9

Investments at Fair Value*	$	46.9	$	248.9	$	—	$	663.4

* Excludes net payables of $35.5 million and $22.5 million as of September 30, 2025 and October 31, 2024, which consists of interest and pending sales and purchases of securities.

Schedule of Amounts Recognized in Consolidated Financial Statements

Financial statement presentation including other comprehensive income:


As of September 30, 2025
(in millions)	Consolidated		United States		International
Unrecognized net actuarial loss	$	102.3	$	21.8	$	80.5
Unrecognized prior service benefit	(0.7)		—		(0.7)

Accumulated other comprehensive loss - pre-tax	$	101.6	$	21.8	$	79.8
Amounts recognized in the consolidated balance sheets consist of:
Prepaid benefit cost	$	64.1	$	59.6	$	4.5
Accrued benefit liability	(59.2)		(28.5)		(30.7)
Accumulated other comprehensive loss - pre-tax	101.6		21.8		79.8
Net amount recognized	$	106.5	$	52.9	$	53.6
As of October 31, 2024
(in millions)	Consolidated		United States		International
Unrecognized net actuarial loss	$	115.1	$	37.4	$	77.7
Unrecognized prior service benefit	(0.8)		—		(0.8)

Accumulated other comprehensive loss - pre-tax	$	114.3	$	37.4	$	76.9
Amounts recognized in the consolidated balance sheets consist of:
Prepaid benefit cost	$	46.0	$	41.7	$	4.3
Accrued benefit liability	(59.2)		(28.8)		(30.4)
Accumulated other comprehensive loss - pre-tax	114.3		37.4		76.9
Net amount recognized	$	101.1	$	50.3	$	50.8


	11 Months		12 Months
(in millions)	September 30, 2025		October 31, 2024
Accumulated other comprehensive loss at beginning of year	$	114.3	$	109.2
Increase or (decrease) in accumulated other comprehensive loss

Net prior service cost amortized	0.1		0.3
Net (gain) loss amortized	(0.5)		0.9





Liability (gain) loss	(11.8)		52.8
Asset gain	(3.1)		(53.5)
Other adjustments	—		0.3
(Decrease) increase in accumulated other comprehensive loss	(15.3)		0.8
Foreign currency impact	2.6		4.3
Accumulated other comprehensive loss at year end	$	101.6	$	114.3

BUSINESS SEGMENT INFORMATION - Additional Information (Details) - segment			11 Months Ended
	Nov. 01, 2024	Oct. 31, 2024	Sep. 30, 2025
Segment Reporting [Abstract]
Number of operating segments			4
Number of reportable business segment	4	3	4

ACQUISITIONS AND DIVESTITURES - Preliminary Valuation of Identifiable Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions		11 Months Ended
	Mar. 26, 2024	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Recognized amounts of identifiable assets acquired and liabilities assumed
Goodwill		$ 1,696.5	$ 1,655.5	$ 1,394.8
Measurement Period Adjustments
Goodwill		$ (18.0)
Ipackchem Acquisition
Fair value of consideration transferred
Cash consideration	$ 582.1
Recognized amounts of identifiable assets acquired and liabilities assumed
Cash and cash equivalents	14.5
Accounts receivable	50.9
Inventories	36.7
Other current assets	4.3
Intangibles	233.1
Operating lease right-of-use assets	17.5
Finance lease right-of-use assets	10.4
Other long-term assets	1.0
Properties, plants and equipment	88.6
Total assets acquired	457.0
Accounts payable	(17.2)
Short-term borrowings	(26.2)
Other current liabilities	(13.1)
Operating lease liabilities	(17.5)
Finance lease liabilities	(10.5)
Long-term deferred tax liability	(63.6)
Other long-term liabilities	(7.8)
Total liabilities assumed	(155.9)
Total identifiable net assets	301.1
Goodwill	281.0
Ipackchem Acquisition \| Previously Reported
Fair value of consideration transferred
Cash consideration	582.1
Recognized amounts of identifiable assets acquired and liabilities assumed
Cash and cash equivalents	14.5
Accounts receivable	50.9
Inventories	36.7
Other current assets	4.9
Intangibles	231.7
Operating lease right-of-use assets	15.1
Finance lease right-of-use assets	8.2
Other long-term assets	1.0
Properties, plants and equipment	91.5
Total assets acquired	454.5
Accounts payable	(17.2)
Short-term borrowings	(26.2)
Other current liabilities	(13.2)
Operating lease liabilities	(14.2)
Finance lease liabilities	(10.0)
Long-term deferred tax liability	(62.1)
Other long-term liabilities	(5.3)
Total liabilities assumed	(148.2)
Total identifiable net assets	306.3
Goodwill	275.8
Ipackchem Acquisition \| Revision of Prior Period, Adjustment
Measurement Period Adjustments
Other current assets	(0.6)
Intangibles	1.4
Operating lease right-of-use assets	2.4
Finance lease right-of-use assets	2.2
Properties, plants and equipment	(2.9)
Total assets acquired	2.5
Other current liabilities	0.1
Operating lease liabilities	(3.3)
Finance lease liabilities	(0.5)
Long-term deferred tax liability	(1.5)
Other long-term liabilities	(2.5)
Total liabilities assumed	(7.7)
Total identifiable net assets	(5.2)
Goodwill	$ 5.2

Insider Trading Policies and Procedures	11 Months Ended
Insider Trading Policies and Procedures	Sep. 30, 2025
Insider Trading Policies and Procedures [Line Items]
Insider Trading Policies and Procedures Adopted	true

POST-RETIREMENT BENEFIT PLANS - Weighted Average Asset Allocations at Measurement Date and Target Asset Allocations (Details)	Sep. 30, 2025	Oct. 31, 2024
Expected Benefit Payments
Total, Target	100.00%	100.00%
Total, Actual		100.00%
Equity securities
Expected Benefit Payments
Total, Target	18.00%	20.00%
Total, Actual		18.00%
Debt securities
Expected Benefit Payments
Total, Target	56.00%	53.00%
Total, Actual		57.00%
Other
Expected Benefit Payments
Total, Target	26.00%	27.00%
Total, Actual		25.00%

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

ACQUISITIONS AND DIVESTITURES - Assets and Liabilities from Discontinued Operations (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
ASSETS
Total current assets from discontinued operations	$ 21.8	$ 202.4
LIABILITIES
Total current liabilities from discontinued operations	2.1	101.0
Total long-term liabilities from discontinued operations	$ 0.0	59.8
Discontinued Operations, Held-for-Sale \| Greif Containerboard Solutions, LLC
ASSETS
Trade accounts receivable, net of allowance		108.2
Inventories		71.4
Other current assets		19.7
Total current assets from discontinued operations		199.3
Goodwill		298.2
Other intangible assets, net of amortization		4.4
Operating lease right-of-use assets		65.7
Other long-term assets		0.9
Total long-term assets from discontinued operations		369.2
Land		16.7
Buildings		108.6
Machinery and equipment		646.5
Capital projects in progress		17.8
Properties, plants and equipment, gross		789.6
Accumulated depreciation		(520.5)
Total properties, plants and equipment, net from discontinued operations		269.1
Total assets from discontinued operations classified as held for sale		837.6
LIABILITIES
Accounts payable		63.3
Accrued payroll and employee benefits		15.1
Current portion of operating lease liabilities		9.6
Other current liabilities		13.0
Total current liabilities from discontinued operations		101.0
Operating lease liabilities		55.8
Contingent liabilities and environmental reserves		2.6
Other long-term liabilities		1.4
Total long-term liabilities from discontinued operations		59.8
Total liabilities from discontinued operations classified as held for sale		$ 160.8

POST-RETIREMENT BENEFIT PLANS - Benefit Obligations in Excess of Plan Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Plan assets	$ 674.8	$ 663.4
Pension Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Projected benefit obligation	634.4	654.1	$ 604.1
Accumulated benefit obligation	632.0	640.1
Plan assets	639.3	640.9	584.0
Accumulated benefit obligation	110.8	109.4
Plan assets	52.8	51.7
Pension Plan \| United States
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Projected benefit obligation	455.3	469.9	437.5
Accumulated benefit obligation	454.0	457.4
Plan assets	486.4	482.8	431.6
Accumulated benefit obligation	28.5	28.8
Plan assets	0.0	0.0
Pension Plan \| Foreign Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Projected benefit obligation	179.1	184.2	166.6
Accumulated benefit obligation	178.0	182.7
Plan assets	152.9	158.1	$ 152.4
Accumulated benefit obligation	82.3	80.6
Plan assets	$ 52.8	$ 51.7

- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (c)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (c)(iv)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (c)(iv)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (c)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480482/715-20-55-17

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(02)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 11: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 12: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

+ Details

REDEEMABLE NONCONTROLLING INTERESTS - Additional Information (Details) - USD ($) $ in Millions	May 30, 2025	May 29, 2025
Noncontrolling Interest [Line Items]
Payments to acquire businesses, gross	$ 38.7
Centurion Container LLC
Noncontrolling Interest [Line Items]
Ownership percentage in variable interest entity	100.00%	80.00%
Centurion Container LLC
Noncontrolling Interest [Line Items]
Ownership percent acquired	20.00%

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

11 Months Ended

Sep. 30, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Amortization Expense on Other Intangible Assets

The useful lives for definite lived intangible assets vary depending on the type of asset and the terms of contracts or the valuation performed, but generally have the range of:


			Years
Trademarks and trade names			5-15
Customer relationships			5-23
Developed technology			8

Schedule of Depreciation on Properties, Plants and Equipment

Depreciation on properties, plants and equipment is provided on the straight-line method over the estimated useful lives of the assets, with general useful lives of the assets as follows:


			Years
Buildings			30
Machinery and equipment			10-15

FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Recurring Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Interest rate derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	$ 22.1	$ 40.4
Liabilities	0.0	(5.6)
Foreign exchange hedges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0.5	0.2
Liabilities	(0.6)	(0.1)
Insurance annuity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	20.3	18.9
Liabilities	0.0	0.0
Cross currency swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	5.9	17.6
Liabilities	(51.0)	(6.4)
Level 1 \| Interest rate derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0.0	0.0
Liabilities	0.0	0.0
Level 1 \| Foreign exchange hedges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0.0	0.0
Liabilities	0.0	0.0
Level 1 \| Insurance annuity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0.0	0.0
Liabilities	0.0	0.0
Level 1 \| Cross currency swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0.0	0.0
Liabilities	0.0	0.0
Level 2 \| Interest rate derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	22.1	40.4
Liabilities	0.0	(5.6)
Level 2 \| Foreign exchange hedges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0.5	0.2
Liabilities	(0.6)	(0.1)
Level 2 \| Insurance annuity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0.0	0.0
Liabilities	0.0	0.0
Level 2 \| Cross currency swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	5.9	17.6
Liabilities	(51.0)	(6.4)
Level 3 \| Interest rate derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0.0	0.0
Liabilities	0.0	0.0
Level 3 \| Foreign exchange hedges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0.0	0.0
Liabilities	0.0	0.0
Level 3 \| Insurance annuity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	20.3	18.9
Liabilities	0.0	0.0
Level 3 \| Cross currency swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0.0	0.0
Liabilities	$ 0.0	$ 0.0

CONTINGENT LIABILITIES AND ENVIRONMENTAL RESERVES - (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Site Contingency [Line Items]
Environmental liability reserves	$ 17.3	$ 16.5
Diamond Alkali
Site Contingency [Line Items]
Environmental liability reserves	9.8	9.8
Other Facilities
Site Contingency [Line Items]
Environmental liability reserves	$ 7.5	$ 6.7

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

POST-RETIREMENT BENEFIT PLANS - Amounts Recognized in Consolidated Financial Statements - in Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Unrecognized net actuarial loss	$ 102.3	$ 115.1
Unrecognized prior service benefit	(0.7)	(0.8)
Accumulated other comprehensive loss - pre-tax	101.6	114.3	$ 109.2
Amounts recognized in the consolidated balance sheets consist of:
Prepaid benefit cost	64.1	46.0
Accrued benefit liability	(59.2)	(59.2)
Accumulated other comprehensive loss - pre-tax	101.6	114.3	$ 109.2
Net amount recognized	106.5	101.1
United States
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Unrecognized net actuarial loss	21.8	37.4
Unrecognized prior service benefit	0.0	0.0
Accumulated other comprehensive loss - pre-tax	21.8	37.4
Amounts recognized in the consolidated balance sheets consist of:
Prepaid benefit cost	59.6	41.7
Accrued benefit liability	(28.5)	(28.8)
Accumulated other comprehensive loss - pre-tax	21.8	37.4
Net amount recognized	52.9	50.3
Foreign Plan
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Unrecognized net actuarial loss	80.5	77.7
Unrecognized prior service benefit	(0.7)	(0.8)
Accumulated other comprehensive loss - pre-tax	79.8	76.9
Amounts recognized in the consolidated balance sheets consist of:
Prepaid benefit cost	4.5	4.3
Accrued benefit liability	(30.7)	(30.4)
Accumulated other comprehensive loss - pre-tax	79.8	76.9
Net amount recognized	$ 53.6	$ 50.8

EARNINGS PER SHARE - Summarization of Company's Class A and Class B Common and Treasury Shares (Details) - shares	Sep. 30, 2025	Oct. 31, 2024
Class A common stock
Class of Stock [Line Items]
Authorized Shares (in shares)	128,000,000	128,000,000
Issued Shares (in shares)	42,281,920	42,281,920
Outstanding Shares (in shares)	26,169,944	25,850,270
Treasury Shares (in shares)	16,111,976	16,431,650
Class B common stock
Class of Stock [Line Items]
Authorized Shares (in shares)	69,120,000	69,120,000
Issued Shares (in shares)	34,560,000	34,560,000
Outstanding Shares (in shares)	21,331,127	21,331,127
Treasury Shares (in shares)	13,228,873	13,228,873

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

DEBT (Tables)

11 Months Ended

Sep. 30, 2025

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

Long-term debt is summarized as follows:


(in millions)	September 30, 2025		October 31, 2024
2022 Credit Agreement - Term Loans	$	784.1	$	1,707.4
2023 Credit Agreement - Term Loans	135.3		288.8

Accounts receivable credit facilities	—		357.9
2022 Credit Agreement - Revolving Credit Facility	—		373.7

Other debt	—		1.3
	919.4		2,729.1
Less current portion	—		95.8
Less deferred financing costs	4.6		7.1
Long-term debt, net	$	914.8	$	2,626.2

Schedule of Short-Term Debt

Short-term debt is summarized as follows:


(in millions)	September 30, 2025	October 31, 2024
Accounts receivable credit facilities	275.0	—

Other debt	12.7	18.6
	287.7	18.6

Cybersecurity Risk Management and Strategy Disclosure	11 Months Ended
Cybersecurity Risk Management and Strategy Disclosure	Sep. 30, 2025
Cybersecurity Risk Management, Strategy, and Governance [Line Items]
Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]	We recognize the importance of effective cybersecurity risk management to our operations and interests. Our cybersecurity program is designed to protect our employees, our customers and our assets through the effective identification and mitigation of cyber risks. The program, led by the Chief Information Security Officer (“CISO”) under the oversight of the Chief Information and Digital Officer (“CIDO”), encompasses a broad range of preventative, detective and responsive measures relevant to our business needs and designed to reduce our specific risks. The cybersecurity program is modeled after and assessed against the National Institute of Standards and Technology Cybersecurity Framework (“NIST CSF”). The NIST CSF is not a certification program and our use does not imply compliance with specific, related standards – the NIST CSF is used as a guide for designing and managing cybersecurity programs. Risks and exposures associated with our cybersecurity program are integrated into our overall enterprise risk management program and share common methodologies, reporting channels and governance processes. These processes and the governance for identifying and managing risks apply across our enterprise risk management program to other legal, compliance, strategic, operational and financial risk areas. Core elements of our cyber program include, but are not limited to: •Risk assessments to identify cybersecurity risks that may impact us in material ways, including risks associated with our use of third-party service providers; •Cybersecurity awareness training for our employees and ongoing technical training for cybersecurity personnel; •Procedural and technical security controls implemented and managed by cross-functional teams; •An incident response plan that includes procedures for responding to cybersecurity events, including those arising from our use of third-party service providers or partners; •Periodic evaluation of security controls through system assessments and vulnerability scanning; •Partnerships with external providers where appropriate to supplement our internal expertise, perform security assessments and penetration testing, consult on best-practices and support incident response activities with forensic analysis. As of September 30, 2025, we were not aware of any cybersecurity incidents that have materially impacted, or are reasonably likely to materially impact, our operations or financial condition.
Cybersecurity Risk Management Processes Integrated [Flag]	true
Cybersecurity Risk Management Processes Integrated [Text Block]	Risks and exposures associated with our cybersecurity program are integrated into our overall enterprise risk management program and share common methodologies, reporting channels and governance processes. These processes and the governance for identifying and managing risks apply across our enterprise risk management program to other legal, compliance, strategic, operational and financial risk areas.
Cybersecurity Risk Management Third Party Engaged [Flag]	true
Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]	true
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]	false
Cybersecurity Risk Board of Directors Oversight [Text Block]	Board Oversight While our Board has responsibility for oversight of risk management on an enterprise-wide basis, it has delegated certain risk oversight responsibilities to its committees. The Audit Committee of our Board of Directors has responsibility for oversight of our cybersecurity risk management program. Full responsibilities of the Audit Committee are set forth in the publicly available Audit Committee Charter on our website. The Audit Committee receives quarterly cybersecurity updates covering risks, mitigation plans, and cybersecurity incidents. The full Board of Directors is provided with periodic cybersecurity updates from the CIDO or the CISO, or both. In the event of an urgent cybersecurity incident where full Audit Committee or Board involvement is not practical or timely, the Chairperson of the Board of Directors, the Chairperson of the Audit Committee, and the Chief Executive Officer have been appointed as an incident oversight group.
Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]	While our Board has responsibility for oversight of risk management on an enterprise-wide basis, it has delegated certain risk oversight responsibilities to its committees. The Audit Committee of our Board of Directors has responsibility for oversight of our cybersecurity risk management program.
Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]	The Audit Committee receives quarterly cybersecurity updates covering risks, mitigation plans, and cybersecurity incidents. The full Board of Directors is provided with periodic cybersecurity updates from the CIDO or the CISO, or both.
Cybersecurity Risk Role of Management [Text Block]	The CISO has primary responsibility for the management of ongoing cyber risks under the oversight of the CIDO. The CISO holds a Certified Information Systems Security Professional certification and has nearly 30 years of experience in technology, including over 10 years in software development and enterprise architecture and over 15 years implementing, maturing and leading cybersecurity programs. The CIDO is responsible for global IT strategy and operations and has nearly 30 years of experience leading enterprise technology organizations. The CIDO and CISO, together with others on their teams, are informed about the monitoring, prevention, detection, mitigation and remediation of cybersecurity incidents through their management of and participation in the cybersecurity risk management policies, processes and operations discussed above. The Company’s management team has designated a Cybersecurity Advisory Council (the “Council”), which consists of members of management, including the CISO and a cross-section of Company leaders. The Council ensures strong alignment within the Company with the objectives of the cyber program, providing input on policy and risk decisions. The Council receives periodic briefings on security status, incidents, and mitigation plans.
Cybersecurity Risk Management Positions or Committees Responsible [Flag]	true
Cybersecurity Risk Management Positions or Committees Responsible [Text Block]	The CISO has primary responsibility for the management of ongoing cyber risks under the oversight of the CIDO. The CISO holds a Certified Information Systems Security Professional certification and has nearly 30 years of experience in technology, including over 10 years in software development and enterprise architecture and over 15 years implementing, maturing and leading cybersecurity programs. The CIDO is responsible for global IT strategy and operations and has nearly 30 years of experience leading enterprise technology organizations. The CIDO and CISO, together with others on their teams, are informed about the monitoring, prevention, detection, mitigation and remediation of cybersecurity incidents through their management of and participation in the cybersecurity risk management policies, processes and operations discussed above.
Cybersecurity Risk Management Expertise of Management Responsible [Text Block]	The CISO holds a Certified Information Systems Security Professional certification and has nearly 30 years of experience in technology, including over 10 years in software development and enterprise architecture and over 15 years implementing, maturing and leading cybersecurity programs. The CIDO is responsible for global IT strategy and operations and has nearly 30 years of experience leading enterprise technology organizations
Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]	While our Board has responsibility for oversight of risk management on an enterprise-wide basis, it has delegated certain risk oversight responsibilities to its committees. The Audit Committee of our Board of Directors has responsibility for oversight of our cybersecurity risk management program. Full responsibilities of the Audit Committee are set forth in the publicly available Audit Committee Charter on our website. The Audit Committee receives quarterly cybersecurity updates covering risks, mitigation plans, and cybersecurity incidents. The full Board of Directors is provided with periodic cybersecurity updates from the CIDO or the CISO, or both.
Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]	true

COMPREHENSIVE INCOME (LOSS)

11 Months Ended

Sep. 30, 2025

Equity [Abstract]

COMPREHENSIVE INCOME (LOSS)

The following table provides the roll forward of accumulated other comprehensive income (loss) for the years ended September 30, 2025 (11-month) and October 31, 2024:


(in millions)	Foreign Currency Translation		Derivative Financial Instruments		Minimum Pension Liability Adjustment		Accumulated Other Comprehensive Income (Loss)
Balance as of October 31, 2023	$	(317.7)	$	71.7	$	(70.5)	$	(316.5)
Other Comprehensive Income (Loss)	$	3.6	$	(37.8)	$	(4.4)	$	(38.6)

Balance as of October 31, 2024	$	(314.1)	$	33.9	$	(74.9)	$	(355.1)
Other Comprehensive Income (Loss)	113.0		(25.8)		17.1		104.3

Balance as of September 30, 2025	$	(201.1)	$	8.1	$	(57.8)	$	(250.8)

The components of accumulated other comprehensive income above are presented net of tax, as applicable.

BUSINESS SEGMENT INFORMATION - Additional Segment Information (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	$ 236.9	$ 261.3	$ 230.6
Continuing Operations
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	212.7	227.7	198.0
Capital expenditures:
Total capital expenditures	107.5	124.3	170.1
Customized Polymer Solutions \| Continuing Operations
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	86.3	79.3	47.4
Durable Metal Solutions \| Continuing Operations
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	25.6	29.1	28.7
Sustainable Fiber Solutions \| Continuing Operations
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	91.8	106.6	109.4
Integrated Solutions \| Continuing Operations
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	9.0	12.7	12.5
Operating Segments \| Continuing Operations
Capital expenditures:
Total capital expenditures	106.1	122.5	152.1
Operating Segments \| Customized Polymer Solutions \| Continuing Operations
Capital expenditures:
Total capital expenditures	37.3	46.1	37.7
Operating Segments \| Durable Metal Solutions \| Continuing Operations
Capital expenditures:
Total capital expenditures	19.2	25.7	32.1
Operating Segments \| Sustainable Fiber Solutions \| Continuing Operations
Capital expenditures:
Total capital expenditures	44.4	44.8	70.2
Operating Segments \| Integrated Solutions \| Continuing Operations
Capital expenditures:
Total capital expenditures	5.2	5.9	12.1
Corporate and other \| Continuing Operations
Capital expenditures:
Total capital expenditures	$ 1.4	$ 1.8	$ 18.0

POST-RETIREMENT BENEFIT PLANS - Fair Value of the Pension Plans Investments (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024
Change in plan assets:
Fair value of plan assets at beginning of year	$ 663.4
Fair value of plan assets at end of year	674.8	$ 663.4
Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	640.9	584.0
Actual return on plan assets	38.1	96.9
Expenses paid	(2.9)	(3.2)
Plan participant contributions	0.2	0.2
Foreign currency impact	7.0	8.7
Employer contributions	1.0	3.4
Benefits paid out of plan	(45.0)	(45.3)
Other		(3.8)
Fair value of plan assets at end of year	639.3	640.9
United States \| Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	482.8	431.6
Actual return on plan assets	41.6	88.5
Expenses paid	(1.9)	(1.5)
Plan participant contributions	0.0	0.0
Foreign currency impact	0.0	0.0
Employer contributions	0.0	0.0
Benefits paid out of plan	(36.1)	(35.8)
Other		0.0
Fair value of plan assets at end of year	486.4	482.8
Foreign Plan \| Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	158.1	152.4
Actual return on plan assets	(3.5)	8.4
Expenses paid	(1.0)	(1.7)
Plan participant contributions	0.2	0.2
Foreign currency impact	7.0	8.7
Employer contributions	1.0	3.4
Benefits paid out of plan	(8.9)	(9.5)
Other		(3.8)
Fair value of plan assets at end of year	$ 152.9	$ 158.1

LEASES - Maturities of Operating Lease Liabilities (Details) $ in Millions	Sep. 30, 2025 USD ($)
Operating Leases
2026	$ 50.9
2027	40.9
2028	33.9
2029	25.1
2030	14.5
Thereafter	56.4
Total lease payments	221.7
Less: interest	(33.9)
Lease liabilities	187.8
Finance Leases
2026	8.4
2027	6.2
2028	6.0
2029	5.3
2030	5.0
Thereafter	4.6
Total lease payments	35.5
Less: interest	(0.7)
Lease liabilities	34.8
Total expected payments
2026	59.3
2027	47.1
2028	39.9
2029	30.4
2030	19.5
Thereafter	61.0
Total lease payments	257.2
Less: interest	(34.6)
Lease, Liability	$ 222.6

POST-RETIREMENT BENEFIT PLANS - Fair Value Measurements for Pension Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	$ 674.8	$ 663.4
Payables net, related to investments	35.5	22.5
Total
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	321.1	295.8
Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	39.1	46.9
Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	282.0	248.9
Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	0.0	0.0
Mutual funds \| Total
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	34.5	40.1
Mutual funds \| Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	34.4	40.0
Mutual funds \| Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	0.1	0.1
Mutual funds \| Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	0.0	0.0
Cash \| Total
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	4.7	6.9
Cash \| Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	4.7	6.9
Cash \| Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	0.0	0.0
Cash \| Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	0.0	0.0
Corporate bonds \| Total
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	174.0	164.5
Corporate bonds \| Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	0.0	0.0
Corporate bonds \| Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	174.0	164.5
Corporate bonds \| Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	0.0	0.0
Corporate bonds \| Investments Measured at Net Asset Value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	123.7	116.9
Government bonds \| Total
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	103.1	80.1
Government bonds \| Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	0.0	0.0
Government bonds \| Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	103.1	80.1
Government bonds \| Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	0.0	0.0
Other assets \| Total
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	4.8	4.2
Other assets \| Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	0.0	0.0
Other assets \| Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	4.8	4.2
Other assets \| Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	0.0	0.0
Insurance contracts \| Investments Measured at Net Asset Value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	148.3	153.6
Common stock \| Investments Measured at Net Asset Value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset Category	$ 81.7	$ 97.1

QUARTERLY FINANCIAL DATA (UNAUDITED)

11 Months Ended

Sep. 30, 2025

Quarterly Financial Information Disclosure [Abstract]

QUARTERLY FINANCIAL DATA (UNAUDITED)

The quarterly results of operations for 2025 and 2024 are shown below:


	2025
(in millions, except per share amounts)	January 31,		April 30,		July 31,		September 30,
Net sales	$	995.8	$	1,101.3	$	1,134.7	$	701.3
Costs of products sold	801.1		841.4		877.4		541.7
Gross profit	194.7		259.9		257.3		159.6
Selling, general and administrative expenses	157.1		161.8		157.0		126.0
Acquisition and integration related costs	2.2		2.0		1.2		1.7
Restructuring and other charges	2.7		14.6		25.2		20.1

Non-cash asset impairment charges	13.7		10.7		3.4		10.1

(Gain) loss on disposal of properties, plants and equipment, net	(1.6)		0.5		(2.6)		(3.8)
Loss on disposal of businesses, net	0.9		0.5		—		0.5
Operating profit	19.7		69.8		73.1		5.0
Interest expense, net	16.2		15.6		14.5		9.8


Other expense (income), net	0.4		(0.2)		2.8		4.8
Income (loss) before income tax expense and equity earnings of unconsolidated affiliates, net	3.1		54.4		55.8		(9.6)
Income tax expense	2.6		23.6		11.8		26.8
Equity earnings of unconsolidated affiliates, net of tax	(0.4)		(0.4)		(0.7)		2.2
Net income (loss) from continuing operations	0.9		31.2		44.7		(38.6)
Net income from discontinued operations, net tax	13.5		23.3		24.7		763.4
Net income	14.4		54.5		69.4		724.8
Net income attributable to noncontrolling interests	(5.8)		(7.2)		(5.4)		(4.7)
Net income attributable to Greif, Inc.	$	8.6	$	47.3	$	64.0	$	720.1
Basic earnings (loss) per share attributable to Greif, Inc. common shareholders:
Class A common stock (continued operations) - basic	$	(0.08)	$	0.42	$	0.67	$	(0.74)
Class A common stock (discontinued operations) - basic	$	0.23	$	0.40	$	0.43	$	13.14
Earnings per Class A common stock - basic	$	0.15	$	0.82	$	1.10	$	12.40
Class B common stock (continued operations) - basic	$	(0.13)	$	0.62	$	1.02	$	(1.13)
Class B common stock (discontinued operations) - basic	$	0.35	$	0.60	$	0.64	$	19.72
Earnings per Class B common stock - basic	$	0.22	$	1.22	$	1.66	$	18.59
Diluted earnings (loss) per share attributed to Greif, Inc. common shareholders:
Class A common stock (continued operations) - diluted	$	(0.08)	$	0.42	$	0.67	$	(0.73)
Class A common stock (discontinued operations) - diluted	$	0.23	$	0.40	$	0.43	$	13.00
Earnings per Class A common stock - diluted	$	0.15	$	0.82	$	1.10	$	12.27
Class B common stock (continued operations) - diluted	$	(0.13)	$	0.62	$	1.02	$	(1.13)
Class B common stock (discontinued operations) - diluted	$	0.35	$	0.60	$	0.64	$	19.72
Earnings per Class B common stock - diluted	$	0.22	$	1.22	$	1.66	$	18.59


	2024
(in millions, except per share amounts)	January 31,		April 30,		July 31,		October 31,
Net sales	$	965.5	$	1,117.5	$	1,164.9	$	1,107.0
Costs of products sold	781.8		874.9		920.0		879.1
Gross profit	183.7		242.6		244.9		227.9
Selling, general and administrative expenses	134.9		155.9		152.8		146.3
Acquisition and integration related costs	2.6		11.5		2.0		2.4
Restructuring and other charges	5.7		(6.8)		2.7		3.8

Non-cash asset impairment charges	1.3		0.4		0.2		0.7

Gain on disposal of properties, plants and equipment, net	(2.7)		(0.3)		(3.4)		(2.7)
(Gain) loss on disposal of businesses, net	—		—		(46.1)		0.1
Operating profit	41.9		81.9		136.7		77.3
Interest expense, net	2.4		8.2		18.8		16.6


Other expense (income), net	9.1		(0.4)		0.8		0.6
Income before income tax expense and equity earnings of unconsolidated affiliates, net	30.4		74.1		117.1		60.1
Income tax (benefit) expense	(38.8)		21.3		33.5		6.2
Equity earnings of unconsolidated affiliates, net of tax	(0.5)		(0.7)		(0.9)		(1.0)
Net income from continuing operations	69.7		53.5		84.5		54.9
Net income (loss) from discontinued operations, net tax	4.6		(1.5)		9.1		20.7
Net income	74.3		52.0		93.6		75.6
Net income attributable to noncontrolling interests	(7.1)		(7.6)		(6.5)		(5.5)
Net income attributable to Greif, Inc.	$	67.2	$	44.4	$	87.1	$	70.1
Basic earnings per share attributable to Greif, Inc. common shareholders:
Class A common stock (continued operations) - basic	$	1.09	$	0.80	$	1.35	$	0.85
Class A common stock (discontinued operations) - basic	$	0.08	$	(0.03)	$	0.16	$	0.36
Earnings per Class A common stock - basic	$	1.17	$	0.77	$	1.51	$	1.21
Class B common stock (continued operations) - basic	$	1.63	$	1.19	$	2.02	$	1.29
Class B common stock (discontinued operations) - basic	$	0.12	$	(0.04)	$	0.24	$	0.53
Earnings per Class B common stock - basic	$	1.75	$	1.15	$	2.26	$	1.82
Diluted earnings per share attributed to Greif, Inc. common shareholders:
Class A common stock (continued operations) - diluted	$	1.09	$	0.80	$	1.34	$	0.85
Class A common stock (discontinued operations) - diluted	$	0.08	$	(0.03)	$	0.16	$	0.35
Earnings per Class A common stock - diluted	$	1.17	$	0.77	$	1.50	$	1.20
Class B common stock (continued operations) - diluted	$	1.63	$	1.19	$	2.02	$	1.29
Class B common stock (discontinued operations) - diluted	$	0.12	$	(0.04)	$	0.24	$	0.53
Earnings per Class B common stock - diluted	$	1.75	$	1.15	$	2.26	$	1.82

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Cash flows from operating activities:
Net income	$ 863.1	$ 295.5	$ 379.1
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	236.9	261.3	230.6
Non-cash asset impairment charges	37.9	2.6	20.3
Non-cash pension settlement charges	0.0	0.0	3.5
Gain on disposals of properties, plants and equipment, net	(7.5)	(8.8)	(2.5)
Gain on disposals of businesses, net	(1,094.9)	(46.0)	(64.0)
Unrealized foreign exchange loss	1.8	10.0	12.7
Deferred income tax benefit	(28.3)	(86.2)	(28.7)
Non-cash lease expense	50.8	46.6	38.0
Other, net	(0.7)	3.1	2.2
Increase (decrease) in cash from changes in certain assets and liabilities, net of impacts from acquisitions:
Trade accounts receivable	1.9	(43.4)	130.3
Inventories	(10.5)	(26.4)	101.0
Accounts payable	(43.0)	18.9	(79.8)
Restructuring reserves	16.8	(11.9)	4.4
Operating leases	(54.8)	(48.1)	(37.3)
Pension and post-retirement benefit liabilities	(6.8)	(11.4)	(26.9)
Other, net	95.9	0.2	(33.4)
Net cash provided by operating activities	58.6	356.0	649.5
Cash flows from investing activities:
Acquisitions of companies, net of cash acquired	(4.6)	(568.8)	(542.4)
Purchases of properties, plants and equipment	(143.8)	(186.5)	(213.6)
Purchases of and investments in timber properties	(2.6)	(5.2)	(6.0)
Proceeds from the sale of properties, plants, equipment and other assets	29.6	14.9	8.6
Proceeds from the sale of businesses	1,780.4	89.0	105.3
Proceeds from hedging derivatives	22.5	0.0	0.0
Payments for deferred purchase price of acquisitions	(1.9)	(1.7)	(22.1)
Other	3.6	0.0	0.0
Net cash provided by (used in) investing activities	1,683.2	(658.3)	(670.2)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	1,715.6	2,491.2	2,285.6
Payments on long-term debt	(3,169.5)	(1,994.0)	(2,028.6)
Payments on short-term borrowings, net	(6.2)	(12.3)	(0.7)
Proceeds from trade accounts receivable credit facility	469.0	348.9	180.2
Payments on trade accounts receivable credit facility	(560.1)	(344.4)	(145.8)
Dividends paid to Greif, Inc. shareholders	(101.1)	(121.0)	(116.5)
Dividends paid to noncontrolling interests	(22.7)	(25.7)	(14.2)
Payments for share repurchases	0.0	0.0	(63.9)
Tax withholding payments for stock-based awards	(7.4)	(10.6)	(13.7)
Purchases of redeemable and mandatorily redeemable noncontrolling interest	(38.7)	0.0	(7.3)
Other, net	(6.4)	(7.8)	(5.4)
Net cash provided by (used in) financing activities	(1,727.5)	324.3	69.7
Effects of exchange rates on cash	44.7	(5.2)	(15.2)
Net increase in cash and cash equivalents	59.0	16.8	33.8
Cash and cash equivalents at beginning of year	197.7	180.9	147.1
Cash and cash equivalents at end of year	256.7	197.7	180.9
Non-cash transactions:
Capital expenditures included in accounts payable	30.4	16.7	29.1
Schedule of interest and income taxes paid:
Cash payments for interest expense	137.4	157.1	112.9
Cash payments for taxes	$ 434.3	$ 107.5	$ 155.2

INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions	2 Months Ended	3 Months Ended							10 Months Ended	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Operating Loss Carryforwards [Line Items]
Income (loss) before income tax expense and equity earnings of unconsolidated affiliates, net	$ (9.6)	$ 55.8	$ 54.4	$ 3.1	$ 60.1	$ 117.1	$ 74.1	$ 30.4	$ 262.5	$ 103.7	$ 281.7	$ 396.4
Net operating loss and other carryforwards	130.0				126.5					130.0	126.5
Operating loss carryforwards, U.S. Federal	22.6				19.5					22.6	19.5
Operating loss carryforwards, State	3.3				10.2					3.3	10.2
Operating loss carryforwards, Non-U.S.	104.1				96.8					104.1	96.8
Net change in valuation allowance	113.3				87.4					113.3	87.4
Increase (decrease) in valuation allowances										25.9
Unrecognized tax benefits	35.1				25.5					35.1	25.5	23.4
Accrued interest and penalties related to unrecognized tax benefits	7.7				3.8					7.7	3.8
Net decrease in unrecognized tax benefits for the next 12 months	13.6									13.6
Domestic Tax Jurisdiction
Operating Loss Carryforwards [Line Items]
Income (loss) before income tax expense and equity earnings of unconsolidated affiliates, net										(97.2)	47.2	142.4
Net change in valuation allowance	25.4				22.2					25.4	22.2
Non-U.S.
Operating Loss Carryforwards [Line Items]
Income (loss) before income tax expense and equity earnings of unconsolidated affiliates, net										200.9	234.5	$ 254.0
Net change in valuation allowance	$ 87.9				$ 65.2					$ 87.9	$ 65.2

CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	2 Months Ended	3 Months Ended							10 Months Ended	11 Months Ended	12 Months Ended
CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	Sep. 30, 2025	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Net sales	$ 701.3	$ 1,134.7	$ 1,101.3	$ 995.8	$ 1,107.0	$ 1,164.9	$ 1,117.5	$ 965.5	$ 3,972.8	$ 3,933.1	$ 4,354.9	$ 4,175.3
Costs of products sold	541.7	877.4	841.4	801.1	879.1	920.0	874.9	781.8	3,155.0	3,061.6	3,455.8	3,246.7
Gross profit	159.6	257.3	259.9	194.7	227.9	244.9	242.6	183.7	817.8	871.5	899.1	928.6
Selling, general and administrative expenses	126.0	157.0	161.8	157.1	146.3	152.8	155.9	134.9	535.5	601.9	589.9	510.3
Acquisition and integration related costs	1.7	1.2	2.0	2.2	2.4	2.0	11.5	2.6	17.4	7.1	18.5	19.0
Restructuring and other charges	20.1	25.2	14.6	2.7	3.8	2.7	(6.8)	5.7	2.7	62.6	5.4	18.7
Non-cash asset impairment charges	10.1	3.4	10.7	13.7	0.7	0.2	0.4	1.3	2.3	37.9	2.6	20.3
Gain on disposal of properties, plants and equipment, net									(7.1)	(7.5)	(9.1)	(2.5)
Loss (gain) on disposal of businesses, net	0.5	0.0	0.5	0.9	0.1	(46.1)	0.0	0.0	(46.1)	1.9	(46.0)	(64.0)
Operating profit	5.0	73.1	69.8	19.7	77.3	136.7	81.9	41.9	313.1	167.6	337.8	426.8
Interest expense, net	9.8	14.5	15.6	16.2	16.6	18.8	8.2	2.4	40.7	56.1	46.0	15.7
Non-cash pension settlement charges									0.0	0.0	0.0	3.5
Other expense, net	4.8	2.8	(0.2)	0.4	0.6	0.8	(0.4)	9.1	9.9	7.8	10.1	11.2
Income (loss) before income tax expense and equity earnings of unconsolidated affiliates, net	(9.6)	55.8	54.4	3.1	60.1	117.1	74.1	30.4	262.5	103.7	281.7	396.4
Income tax expense	26.8	11.8	23.6	2.6	6.2	33.5	21.3	(38.8)	18.9	64.8	22.2	98.1
Equity earnings of unconsolidated affiliates, net of tax	2.2	(0.7)	(0.4)	(0.4)	(1.0)	(0.9)	(0.7)	(0.5)	(2.6)	0.7	(3.1)	(2.2)
Net income from continuing operations	(38.6)	44.7	31.2	0.9	54.9	84.5	53.5	69.7	246.2	38.2	262.6	300.5
Net income from discontinued operations, net tax	763.4	24.7	23.3	13.5	20.7	9.1	(1.5)	4.6	23.3	824.9	32.9	78.6
Net income	724.8	69.4	54.5	14.4	75.6	93.6	52.0	74.3	269.5	863.1	295.5	379.1
Net income attributable to noncontrolling interests	(4.7)	(5.4)	(7.2)	(5.8)	(5.5)	(6.5)	(7.6)	(7.1)	(25.7)	(23.1)	(26.7)	(19.9)
Net income attributable to Greif, Inc.	$ 720.1	$ 64.0	$ 47.3	$ 8.6	$ 70.1	$ 87.1	$ 44.4	$ 67.2	$ 243.8	$ 840.0	$ 268.8	$ 359.2
Earnings per Class A common stock - basic
Basic earnings per share attributable to Greif, Inc. common shareholders:
Common stock (continued operations) - basic (in usd per share)	$ (0.74)	$ 0.67	$ 0.42	$ (0.08)	$ 0.85	$ 1.35	$ 0.80	$ 1.09	$ 3.83	$ 0.27	$ 4.09	$ 4.86
Ccommon stock (discontinued operations) - basic (in usd per share)	13.14	0.43	0.40	0.23	0.36	0.16	(0.03)	0.08	0.40	14.20	0.57	1.36
Earnings per common stock - basic (in usd per share)	12.40	1.10	0.82	0.15	1.21	1.51	0.77	1.17	4.23	14.47	4.66	6.22
Diluted earnings per share attributed to Greif, Inc. common shareholders:
Common stock (continued operations) - diluted (in usd per share)	(0.73)	0.67	0.42	(0.08)	0.85	1.34	0.80	1.09	3.81	0.28	4.08	4.81
Common stock (discontinued operations) - diluted (in usd per share)	13.00	0.43	0.40	0.23	0.35	0.16	(0.03)	0.08	0.40	14.06	0.56	1.34
Earnings per common stock - diluted (in usd per share)	12.27	1.10	0.82	0.15	1.20	1.50	0.77	1.17	4.21	14.34	4.64	6.15
Earnings per Class B common stock - basic
Basic earnings per share attributable to Greif, Inc. common shareholders:
Common stock (continued operations) - basic (in usd per share)	(1.13)	1.02	0.62	(0.13)	1.29	2.02	1.19	1.63	5.72	0.38	6.13	7.28
Ccommon stock (discontinued operations) - basic (in usd per share)	19.72	0.64	0.60	0.35	0.53	0.24	(0.04)	0.12	0.61	21.31	0.85	2.04
Earnings per common stock - basic (in usd per share)	18.59	1.66	1.22	0.22	1.82	2.26	1.15	1.75	6.33	21.69	6.98	9.32
Diluted earnings per share attributed to Greif, Inc. common shareholders:
Common stock (continued operations) - diluted (in usd per share)	(1.13)	1.02	0.62	(0.13)	1.29	2.02	1.19	1.63	5.72	0.38	6.13	7.28
Common stock (discontinued operations) - diluted (in usd per share)	19.72	0.64	0.60	0.35	0.53	0.24	(0.04)	0.12	0.61	21.31	0.85	2.04
Earnings per common stock - diluted (in usd per share)	$ 18.59	$ 1.66	$ 1.22	$ 0.22	$ 1.82	$ 2.26	$ 1.15	$ 1.75	$ 6.33	$ 21.69	$ 6.98	$ 9.32

EARNINGS PER SHARE

11 Months Ended

Sep. 30, 2025

Earnings Per Share [Abstract]

EARNINGS PER SHARE

The Company has two classes of common stock and, as such, applies the “two-class method” of computing earnings per share (“EPS”) as prescribed in ASC 260, “Earnings Per Share.” In accordance with this guidance, earnings are allocated in the same fashion as dividends would be distributed. Under the Company’s certificate of incorporation, any distribution of dividends in any year must be made in proportion of one cent a share for Class A Common Stock to one and one-half cents a share for Class B Common Stock, which results in a 40% to 60% split to Class A and B shareholders, respectively. In accordance with this, earnings are allocated first to Class A and Class B Common Stock to the extent that dividends are actually paid, and the remainder is allocated assuming all of the earnings for the period have been distributed in the form of dividends.

The Company calculates EPS as follows:

Basic Class A EPS

40% * Average Class A Shares Outstanding

Undistributed Net Income

Class A Dividends Per Share

40% * Average Class A Shares Outstanding + 60% * Average Class B Shares Outstanding

Average Class A Shares Outstanding

Diluted Class A EPS

40% * Average Class A Shares Outstanding

Undistributed Net Income

Class A Dividends Per Share

40% * Average Class A Shares Outstanding + 60% * Average Class B Shares Outstanding

Average Diluted Class A Shares Outstanding

Basic Class B EPS

60% * Average Class B Shares Outstanding

Undistributed Net Income

Class B Dividends Per Share

40% * Average Class A Shares Outstanding + 60% * Average Class B Shares Outstanding

Average Class B Shares Outstanding

* Diluted Class B EPS calculation is identical to Basic Class B calculation

The following table provides EPS information for each period, respectively:


	11 Months		12 Months		12 Months
	September 30,		October 31,		October 31,
Year Ended (in millions, except per share data)	2025		2024		2023
Numerator
Numerator for basic and diluted EPS
Net income from continuing operations attributable to Greif, Inc.	$	15.1	$	235.9	$	280.6
Net income from discontinued operations attributable to Greif, Inc.	824.9		32.9		78.6
Net income attributable to Greif, Inc.	840.0		268.8		359.2
Dividends declared	(126.4)		(121.0)		(116.5)
Undistributed net income attributable to Greif, Inc.	$	713.6	$	147.8	$	242.7
Denominator
Denominator for basic EPS –
Class A common stock	26.1		25.8		25.6
Class B common stock	21.3		21.3		21.5
Denominator for diluted EPS –
Class A common stock	26.3		26.0		26.0
Class B common stock	21.3		21.3		21.5
EPS Basic
Class A common stock (continued operations) - basic	$	0.27	$	4.09	$	4.86
Class A common stock (discontinued operations) - basic	$	14.20	$	0.57	$	1.36
Earnings per Class A common stock - basic	$	14.47	$	4.66	$	6.22
Class B common stock (continued operations) - basic	$	0.38	$	6.13	$	7.28
Class B common stock (discontinued operations) - basic	$	21.31	$	0.85	$	2.04
Earnings per Class B common stock - basic	$	21.69	$	6.98	$	9.32
EPS Diluted
Class A common stock (continued operations) - diluted	$	0.28	$	4.08	$	4.81
Class A common stock (discontinued operations) - diluted	$	14.06	$	0.56	$	1.34
Earnings per Class A common stock - diluted	$	14.34	$	4.64	$	6.15
Class B common stock (continued operations) - diluted	$	0.38	$	6.13	$	7.28
Class B common stock (discontinued operations) - diluted	$	21.31	$	0.85	$	2.04
Earnings per Class B common stock - diluted	$	21.69	$	6.98	$	9.32

The Class A Common Stock has no voting rights unless four quarterly cumulative dividends upon the Class A Common Stock are in arrears. The Class B Common Stock has full voting rights. There is no cumulative voting for the election of directors.

Common Stock Repurchases

The Board of Directors has authorized the Company to repurchase shares of the Company’s Class A Common Stock or Class B Common Stock or any combination of the foregoing. As of September 30, 2025, the remaining number of shares that may be repurchased under this authorization were 2,504,836. There were no shares repurchased during 2025 (11-month).

On November 11, 2025, the Company entered into agreements to execute an open market repurchase plan for approximately $150.0 million utilizing this available authorization beginning in the first quarter of fiscal 2026.

The following table summarizes the Company’s Class A and Class B common and treasury shares at the specified dates:


	Authorized Shares	Issued Shares	Outstanding Shares	Treasury Shares
September 30, 2025:
Class A common stock	128,000,000	42,281,920	26,169,944	16,111,976
Class B common stock	69,120,000	34,560,000	21,331,127	13,228,873
October 31, 2024:
Class A common stock	128,000,000	42,281,920	25,850,270	16,431,650
Class B common stock	69,120,000	34,560,000	21,331,127	13,228,873

The following is a reconciliation of the shares used to calculate basic and diluted earnings per share:


	11 Months	12 Months	12 Months
	September 30,	October 31,	October 31,
Year Ended	2025	2024	2023
Class A Common Stock:
Basic shares	26,076,015	25,751,386	25,592,928
Assumed conversion of stock options and unvested shares	268,937	226,015	406,303
Diluted shares	26,344,952	25,977,401	25,999,231
Class B Common Stock:
Basic and diluted shares	21,331,127	21,331,127	21,472,531

LEASES - Additional Information (Details)	Sep. 30, 2025
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	17 years

QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Millions	2 Months Ended	3 Months Ended							10 Months Ended	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Quarterly Results Of Operations [Line Items]
Net sales	$ 701.3	$ 1,134.7	$ 1,101.3	$ 995.8	$ 1,107.0	$ 1,164.9	$ 1,117.5	$ 965.5	$ 3,972.8	$ 3,933.1	$ 4,354.9	$ 4,175.3
Costs of products sold	541.7	877.4	841.4	801.1	879.1	920.0	874.9	781.8	3,155.0	3,061.6	3,455.8	3,246.7
Gross profit	159.6	257.3	259.9	194.7	227.9	244.9	242.6	183.7	817.8	871.5	899.1	928.6
Selling, general and administrative expenses	126.0	157.0	161.8	157.1	146.3	152.8	155.9	134.9	535.5	601.9	589.9	510.3
Acquisition and integration related costs	1.7	1.2	2.0	2.2	2.4	2.0	11.5	2.6	17.4	7.1	18.5	19.0
Restructuring and other charges	20.1	25.2	14.6	2.7	3.8	2.7	(6.8)	5.7	2.7	62.6	5.4	18.7
Non-cash asset impairment charges	10.1	3.4	10.7	13.7	0.7	0.2	0.4	1.3	2.3	37.9	2.6	20.3
(Gain) loss on disposal of properties, plants and equipment, net	(3.8)	(2.6)	0.5	(1.6)	(2.7)	(3.4)	(0.3)	(2.7)		(7.5)	(8.8)	(2.5)
Loss (gain) on disposal of businesses, net	0.5	0.0	0.5	0.9	0.1	(46.1)	0.0	0.0	(46.1)	1.9	(46.0)	(64.0)
Operating profit	5.0	73.1	69.8	19.7	77.3	136.7	81.9	41.9	313.1	167.6	337.8	426.8
Interest expense, net	9.8	14.5	15.6	16.2	16.6	18.8	8.2	2.4	40.7	56.1	46.0	15.7
Other expense (income), net	4.8	2.8	(0.2)	0.4	0.6	0.8	(0.4)	9.1	9.9	7.8	10.1	11.2
Income (loss) before income tax expense and equity earnings of unconsolidated affiliates, net	(9.6)	55.8	54.4	3.1	60.1	117.1	74.1	30.4	262.5	103.7	281.7	396.4
Income tax (benefit) expense	26.8	11.8	23.6	2.6	6.2	33.5	21.3	(38.8)	18.9	64.8	22.2	98.1
Equity earnings of unconsolidated affiliates, net of tax	2.2	(0.7)	(0.4)	(0.4)	(1.0)	(0.9)	(0.7)	(0.5)	(2.6)	0.7	(3.1)	(2.2)
Net income from continuing operations	(38.6)	44.7	31.2	0.9	54.9	84.5	53.5	69.7	246.2	38.2	262.6	300.5
Net income (loss) from discontinued operations, net tax	763.4	24.7	23.3	13.5	20.7	9.1	(1.5)	4.6	23.3	824.9	32.9	78.6
Net income	724.8	69.4	54.5	14.4	75.6	93.6	52.0	74.3	269.5	863.1	295.5	379.1
Net income attributable to noncontrolling interests	(4.7)	(5.4)	(7.2)	(5.8)	(5.5)	(6.5)	(7.6)	(7.1)	(25.7)	(23.1)	(26.7)	(19.9)
Net income attributable to Greif, Inc.	$ 720.1	$ 64.0	$ 47.3	$ 8.6	$ 70.1	$ 87.1	$ 44.4	$ 67.2	$ 243.8	$ 840.0	$ 268.8	$ 359.2
Earnings per Class A common stock - basic
Quarterly Results Of Operations [Line Items]
Common stock (continued operations) - basic (in usd per share)	$ (0.74)	$ 0.67	$ 0.42	$ (0.08)	$ 0.85	$ 1.35	$ 0.80	$ 1.09	$ 3.83	$ 0.27	$ 4.09	$ 4.86
Ccommon stock (discontinued operations) - basic (in usd per share)	13.14	0.43	0.40	0.23	0.36	0.16	(0.03)	0.08	0.40	14.20	0.57	1.36
Earnings per common stock - basic (in usd per share)	12.40	1.10	0.82	0.15	1.21	1.51	0.77	1.17	4.23	14.47	4.66	6.22
Common stock (continued operations) - diluted (in usd per share)	(0.73)	0.67	0.42	(0.08)	0.85	1.34	0.80	1.09	3.81	0.28	4.08	4.81
Common stock (discontinued operations) - diluted (in usd per share)	13.00	0.43	0.40	0.23	0.35	0.16	(0.03)	0.08	0.40	14.06	0.56	1.34
Earnings per common stock - diluted (in usd per share)	12.27	1.10	0.82	0.15	1.20	1.50	0.77	1.17	4.21	14.34	4.64	6.15
Earnings per Class B common stock - basic
Quarterly Results Of Operations [Line Items]
Common stock (continued operations) - basic (in usd per share)	(1.13)	1.02	0.62	(0.13)	1.29	2.02	1.19	1.63	5.72	0.38	6.13	7.28
Ccommon stock (discontinued operations) - basic (in usd per share)	19.72	0.64	0.60	0.35	0.53	0.24	(0.04)	0.12	0.61	21.31	0.85	2.04
Earnings per common stock - basic (in usd per share)	18.59	1.66	1.22	0.22	1.82	2.26	1.15	1.75	6.33	21.69	6.98	9.32
Common stock (continued operations) - diluted (in usd per share)	(1.13)	1.02	0.62	(0.13)	1.29	2.02	1.19	1.63	5.72	0.38	6.13	7.28
Common stock (discontinued operations) - diluted (in usd per share)	19.72	0.64	0.60	0.35	0.53	0.24	(0.04)	0.12	0.61	21.31	0.85	2.04
Earnings per common stock - diluted (in usd per share)	$ 18.59	$ 1.66	$ 1.22	$ 0.22	$ 1.82	$ 2.26	$ 1.15	$ 1.75	$ 6.33	$ 21.69	$ 6.98	$ 9.32

STOCK-BASED COMPENSATION

11 Months Ended

Sep. 30, 2025

Share-Based Payment Arrangement [Abstract]

STOCK-BASED COMPENSATION

Stock-based compensation is accounted for in accordance with ASC 718, “Compensation – Stock Compensation,” which requires companies to estimate the fair value of share-based awards on the date of grant using an option-pricing model.

The Company’s material stock-based compensation plans include the 2020 Long-Term Incentive Plan (the “2020 LTIP Plan”) and the Amended and Restated Outside Directors Equity Award Plan (the “Outside Directors Plan”). The total stock compensation expense recorded under all plans was $30.2 million, $16.6 million and $21.1 million for years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023, respectively.

2020 Long-Term Incentive Plan

The 2020 LTIP Plan is intended to focus management on the key measures that drive superior performance over the longer term. The 2020 LTIP Plan provides key employees with incentive compensation based upon consecutive and overlapping three-year performance periods that commence at the start of every year. For each three-year performance period, the performance goals are based on performance criteria as determined by the Compensation Committee. Participants may be granted restricted stock units (“RSUs”) or performance stock units (“PSUs”) or a combination thereof.

The Company grants RSUs based on a three-year vesting period on the basis of service only. The RSUs are an equity-classified plan measured at fair value on the grant date recognized ratably over the service period. Dividend-equivalent rights may be granted in connection with an RSU award and are recognized in conjunction with the Company’s dividend issuance and settled upon vesting of the award. Upon vesting, the RSUs are to be awarded in shares of Class A Common Stock.

The Company has made the following grants of RSUs under the 2020 LTIP Plan:

Grant Date

December 13, 2024

December 12, 2023

December 14, 2022

Service Period

11/1/2024 - 9/30/2027

11/1/2023 - 9/30/2026

11/1/2022 - 9/30/2025

RSUs Granted

123,800

120,843

105,753

Weighted Average Fair Value of RSUs

$66.61

$62.83

$68.99

During 2025, the Company issued 49,269 shares of Class A Common Stock, which excludes shares withheld for the payment of taxes owed by recipients for RSUs vested, for the performance period commenced on November 1, 2021 and ended October 31, 2024.

The Company grants PSUs for a three-year performance period based upon service, performance criteria and market conditions. The performance criteria are based on targeted levels of (a) adjusted earnings before interest, taxes, depreciation, depletion and amortization and (b) total shareholder return as determined by the Compensation Committee. The PSUs are a liability-classified plan wherein the fair value of the PSUs awarded is determined at each reporting period using a Monte Carlo simulation. A Monte Carlo simulation uses assumptions including the risk-free interest rate, expected volatility of the Company’s stock price and expected life of the awards to determine a fair value of the market condition throughout the vesting period. If earned, the PSUs are to be awarded in shares of Class A Common Stock.

The following table summarizes the key assumptions used in estimating the value of PSUs:


Grant Date	December 13, 2024	December 12, 2023	December 14, 2022
Performance Period	11/1/2024 - 9/30/2027	11/1/2023 - 9/30/2026	11/1/2022 - 9/30/2025
PSUs Granted	215,953	202,402	183,218
Weighted Average Fair Value of PSUs at Grant Date	$61.19	$60.77	$70.06
Weighted Average Fair Value of PSUs at Valuation Date	$58.10	$102.42	$110.57
Valuation Date Stock Price	$59.76	$59.76	$59.76
Risk-Free Rate at Valuation Date	3.6%	3.6%	—%
Estimated Volatility at Valuation Date	28.4%	29.3%	—%

During 2025, the Company issued 161,641 shares of Class A Common Stock, which excludes shares withheld for the payment of taxes owed by recipients for PSUs vested, for the performance period commenced on November 1, 2021 and ended October 31, 2024.

The total stock compensation expense recorded under the 2020 LTIP Plan was $28.8 million, $15.3 million and $19.8 million for the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023, respectively.

Amended and Restated Outside Directors Equity Award Plan

Under the Outside Directors Plan, the Company granted 24,012 shares of Class A Common Stock with a grant date fair value of $59.95 in 2025 and 20,925 shares of Class A Common Stock with a grant date fair value of $63.31 in 2024. The total expense recorded under the Outside Directors Plan was $1.4 million, $1.3 million and $1.3 million for the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023, respectively. All stock awards under the Outside Directors Plan are fully vested at the date of award but subject to restrictions on transfer until the earlier of three years from the date of award or the applicable outside director’s termination from the Board of Directors due to such director’s retirement, death or other reason.

Audit Information	11 Months Ended
Audit Information	Sep. 30, 2025
Auditor Information [Abstract]
Auditor Name	Deloitte & Touche LLP
Auditor Location	Columbus, Ohio
Auditor Firm ID	34

INCOME TAXES - Significant Components of Company's Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Deferred tax assets
Net operating loss and other carryforwards	$ 130.0	$ 126.5
Incentive liabilities	20.2	20.5
Operating lease liabilities	44.7	68.1
Other reserves	13.5	12.5
Research and development expenses	64.1	56.7
Other	77.6	70.3
Total deferred tax assets	350.1	354.6
Valuation allowance	(113.3)	(87.4)
Net deferred tax assets	236.8	267.2
Deferred tax liabilities
Properties, plants and equipment	141.8	181.1
Operating lease assets	44.7	68.1
Timberland transactions	53.1	52.7
Goodwill and other intangible assets	158.1	163.2
Undistributed profits of non-U.S. subsidiaries	29.9	25.3
Pension liabilities	7.8	8.9
Other	25.1	26.1
Total deferred tax liabilities	460.5	525.4
Net deferred tax liability	$ 223.7	$ 258.2

ACQUISITIONS AND DIVESTITURES - Depreciation, Amortization, and Capital Expenditures from Discontinued Operations (Details) - Discontinued Operations, Held-for-Sale - Greif Containerboard Solutions, LLC - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation and amortization	$ 24.2	$ 33.6
Capital expenditures	$ 50.0	$ 49.9

GOODWILL AND OTHER INTANGIBLE ASSETS - Carrying Amount of Net Intangible Assets by Class (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Indefinite-Lived Intangible Assets [Line Items]
Indefinite lived intangible assets	$ 3.9
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	1,286.7	$ 1,287.3
Accumulated Amortization	445.8	354.6
Net Intangible Assets	840.9	932.7
Trademarks and trade names
Indefinite-Lived Intangible Assets [Line Items]
Indefinite lived intangible assets	3.9	3.9
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	1,184.8	1,187.6
Accumulated Amortization	408.6	332.1
Net Intangible Assets	776.2	855.5
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	53.8	54.8
Accumulated Amortization	28.0	18.8
Net Intangible Assets	25.8	36.0
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	42.1	38.9
Accumulated Amortization	8.5	3.3
Net Intangible Assets	33.6	35.6
Other
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	2.1	2.1
Accumulated Amortization	0.7	0.4
Net Intangible Assets	$ 1.4	$ 1.7

POST-RETIREMENT BENEFIT PLANS - Components of Net Periodic Cost for Postretirement Benefits (Details) - Pension Plan - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Expected Benefit Payments
Service cost	$ 5.0	$ 5.7	$ 6.8
Interest cost	28.4	34.9	35.0
Expected return on plan assets	(35.1)	(43.5)	(39.0)
Amortization of prior service benefit	(0.1)	(0.3)	(0.4)
Recognized net actuarial (gain) loss	0.5	(0.9)	(2.1)
Special Events
Settlement			3.5
Net periodic pension (income) cost	(1.3)	(4.1)	3.8
United States
Expected Benefit Payments
Service cost	3.8	4.2	5.3
Interest cost	21.8	26.7	26.8
Expected return on plan assets	(27.1)	(33.4)	(30.6)
Amortization of prior service benefit	0.0	(0.2)	(0.3)
Recognized net actuarial (gain) loss	0.0	(0.9)	(2.2)
Special Events
Settlement			0.0
Net periodic pension (income) cost	(1.5)	(3.6)	(1.0)
Foreign Plan
Expected Benefit Payments
Service cost	1.2	1.5	1.5
Interest cost	6.6	8.2	8.2
Expected return on plan assets	(8.0)	(10.1)	(8.4)
Amortization of prior service benefit	(0.1)	(0.1)	(0.1)
Recognized net actuarial (gain) loss	0.5	0.0	0.1
Special Events
Settlement			3.5
Net periodic pension (income) cost	$ 0.2	$ (0.5)	$ 4.8

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Depreciation on Properties, Plants and Equipment (Details)	Sep. 30, 2025
Minimum \| Buildings
Property, Plant and Equipment [Line Items]
Useful life
Minimum \| Machinery and equipment
Property, Plant and Equipment [Line Items]
Useful life	10 years
Maximum \| Buildings
Property, Plant and Equipment [Line Items]
Useful life	30 years
Maximum \| Machinery and equipment
Property, Plant and Equipment [Line Items]
Useful life	15 years

RESTRUCTURING CHARGES

11 Months Ended

Sep. 30, 2025

Restructuring and Related Activities [Abstract]

RESTRUCTURING CHARGES

The following is a reconciliation of the beginning and ending restructuring reserve balances for the years ended September 30, 2025 (11-month) and October 31, 2024:


(in millions)	Employee Separation Costs		Other Costs		Total
Balance at October 31, 2023	$	16.4	$	0.4	$	16.8
Costs incurred and charged to expense	(1.4)		6.8		5.4
Costs paid or otherwise settled	(10.2)		(7.1)		(17.3)
Balance at October 31, 2024	$	4.8	$	0.1	$	4.9
Costs incurred and charged to expense	28.2		12.1		40.3
Costs paid or otherwise settled	(11.7)		(11.8)		(23.5)
Balance at September 30, 2025	$	21.3	$	0.4	$	21.7

The focus for restructuring activities in 2025 was to optimize costs, rationalize and integrate operations and close underperforming plants in the Customized Polymer Solutions, Durable Metal Solutions, Sustainable Fiber Solutions and Integrated Solutions reportable segments. During the year ended September 30, 2025 (11-month), the Company recorded restructuring charges of $40.3 million, as compared to $5.4 million of restructuring charges recorded during the year ended October 31, 2024. The restructuring activity for the year ended September 30, 2025 (11-month) consisted of $28.2 million in employee separation costs and $12.1 million in other restructuring costs, primarily consisting of professional fees and other fees associated with restructuring activities. There were seven plants closed or divested in 2025 and a total of 500 employees severed throughout 2025 as part of the Company’s restructuring efforts.

The focus for restructuring activities in 2024 was to optimize and integrate operations and close underperforming plants in the Sustainable Fiber Solutions reportable segment and to optimize and rationalize operations in the Customized Polymer Solutions, Durable Metal Solutions and Integrated Solutions reportable segment. During 2024, the Company recorded restructuring charges of $5.4 million, consisting of a ($9.0) million release of prior period restructuring severance accrual that was no longer probable of occurring, $7.6 million in employee separation costs and $6.8 million in other restructuring costs, primarily consisting of professional fees and other fees associated with restructuring activities. There were four plants closed or divested in 2024 and a total of 126 employees severed throughout 2024 as part of the Company’s restructuring efforts.

The focus for restructuring activities in 2023 was to optimize and integrate operations and close underperforming plants in the Sustainable Fiber Solutions reportable segment and to optimize and rationalize operations in the Customized Polymer Solutions, Durable Metal Solutions and Integrated Solutions reportable segment. During 2023, the Company recorded restructuring charges of $18.7 million, consisting of $11.8 million in employee separation costs and $6.9 million in other restructuring costs, primarily consisting of professional fees incurred for services specifically associated with employee separation and relocation. There were nine plants closed or divested in 2023 and a total of 456 employees severed throughout 2023 as part of the Company’s restructuring efforts.


(in millions)	Total Amounts Expected to be Incurred		Amounts Incurred During the Eleven Months ended September 30, 2025		Amounts Remaining to be Incurred
Customized Polymer Solutions
Employee separation costs	$	5.0	$	4.2	0.8
Other restructuring costs	0.4		0.4		—
	5.4		4.6		0.8
Durable Metal Solutions
Employee separation costs	8.6		6.9		1.7
Other restructuring costs	8.3		0.7		7.6
	16.9		7.6		9.3
Sustainable Fiber Solutions
Employee separation costs	16.2		15.0		1.2
Other restructuring costs	19.8		10.7		9.1
	36.0		25.7		10.3
Integrated Solutions
Employee separation costs	2.3		2.1		0.2
Other restructuring costs	1.3		0.3		1.0
	3.6		2.4		1.2
Total	$	61.9	$	40.3	$	21.6

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

11 Months Ended

Sep. 30, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The Business

The Company’s raw materials are principally steel, resin, old corrugated containers, recycled coated and uncoated paperboard and used industrial packaging for reconditioning.

Principles of Consolidation and Basis of Presentation

Change in Presentation

Discontinued Operations

Recast of Certain Prior Period Information

Use of Estimates

Cash and Cash Equivalents

The Company considers highly liquid investments with an original maturity of three months or less to be cash equivalents. The carrying value of cash equivalents approximates fair value.

Allowance for Doubtful Accounts

The allowance for doubtful accounts totaled $7.2 million and $6.1 million as of September 30, 2025 and October 31, 2024, respectively. The Company recognizes allowances for bad debts based on the length of time receivables are past due with allowance percentages, based on its historical experiences, applied on a graduated scale relative to the age of the receivable amounts. If the Company is aware of a specific customer’s inability to meet its financial obligations to the Company, the Company records a specific allowance for bad debts. Amounts deemed uncollectible are written-off against the allowance for doubtful accounts.

Inventory

The Company primarily uses the FIFO method of inventory valuation. Reserves for slow moving and obsolete inventories are provided based on historical experience, inventory aging and product demand. The reserves for slow moving and obsolete inventories totaled $17.9 million and $16.0 million as of September 30, 2025 and October 31, 2024, respectively. The Company continuously evaluates the adequacy of these reserves and adjusts these reserves as required.

Goodwill and Indefinite-Lived Intangibles

relative fair values of the portion of the reporting unit subject to disposition and the portion of the reporting unit that will be retained.

Other Intangibles

The Company accounts for intangible assets in accordance with ASC 350. Definite lived intangible assets are amortized over their useful lives on a straight-line basis, with amortization expense being recorded on the same basis. The useful lives for definite lived intangible assets vary depending on the type of asset and the terms of contracts or the valuation performed, but generally have the range of:


			Years
Trademarks and trade names			5-15
Customer relationships			5-23
Developed technology			8

Business Combinations

The consolidated financial statements include the results of operations from these business combinations from the date of acquisition.

Internal Use Software

application development stage and for upgrades and enhancements that provide additional functionality are capitalized and then amortized over a 3 to 7 year period.

Long-Lived Assets


			Years
Buildings			30
Machinery and equipment			10-15

Depreciation expense was $122.8 million, $135.8 million and $125.8 million in 2025 (11-month), 2024 and 2023, respectively. Expenditures for repairs and maintenance are charged to expense as incurred. When properties are retired or otherwise disposed of, the cost and accumulated depreciation are eliminated from the asset and related allowance accounts. Gains or losses are credited or charged to income as incurred.

The Company capitalizes interest on long-term fixed asset projects using a rate that approximates the weighted average cost of borrowing.

As of September 30, 2025, the Company’s timber properties consisted of approximately 176,000 acres, all of which were located in the southeastern United States. The Company’s land costs are maintained by tract. Upon acquisition of a new timberland tract, the Company records separate amounts for land, merchantable timber and pre-merchantable timber allocated as a percentage of the values being purchased. The Company begins recording pre-merchantable timber costs at the time the site is prepared for planting. Costs capitalized during the establishment period include site preparation by aerial spray, costs of seedlings, including refrigeration rental and trucking, planting costs, herbaceous weed control, woody release and labor and machinery use. The Company does not capitalize interest costs in the process. Property taxes are expensed as incurred. New road construction costs are capitalized as land improvements and depreciated over a 10 to 20 year period. Road repairs and maintenance costs are expensed as incurred. Costs after establishment of the seedlings, including management costs, pre-commercial thinning costs and fertilization costs, are expensed as incurred. Once the timber becomes merchantable, the cost is transferred from the pre-merchantable timber category to the merchantable timber category in the depletion block.

Merchantable timber costs are maintained by five product classes: pine sawtimber, pine chip-n-saw, pine pulpwood, hardwood sawtimber and hardwood pulpwood, within a depletion block, with each depletion block based upon a geographic district or subdistrict. Currently, the Company has five depletion blocks. These same depletion blocks are used for pre-merchantable timber costs. Each year, the Company estimates the volume of the Company’s merchantable timber for the five product classes by each depletion block and depletion costs recognized upon sales are calculated as volumes sold times the unit costs in the respective depletion block. For the years ended September 30, 2025 (11-month), October 31, 2024 and October 31, 2023, the Company’s depletion expense was not material. The Company sold its timberland business on October 1, 2025.

Leases

Self-insurance

The Company is self-insured for certain of the claims made under its employee medical and dental insurance programs. The Company had recorded liabilities totaling $11.9 million and $7.2 million for estimated costs related to outstanding claims as of September 30, 2025 and October 31, 2024, respectively. These costs include an estimate for expected settlements on pending claims, administrative fees and an estimate for claims incurred but not reported. These estimates are based on management’s assessment of outstanding claims, historical analyses and current payment trends. The Company recorded an estimate for the claims incurred, but not reported using an estimated lag period based upon historical information.

The Company has certain deductibles applied to various insurance policies including general liability, product, vehicle and workers’ compensation. The Company maintains net liabilities totaling $21.1 million for anticipated costs related to general liability, product, vehicle and workers’ compensation claims as of September 30, 2025 and October 31, 2024. These costs include an estimate for expected settlements on pending claims, defense costs and an estimate for claims incurred but not reported. These estimates are based on the Company’s assessment of its deductibles, outstanding claims, historical analysis, actuarial information and current payment trends.

Income Taxes

Restructuring Charges

Business Transformation Charges

Revenue Recognition

Shipping and Handling Fees and Costs

The Company includes shipping and handling fees and costs in cost of products sold.

Other Expense, net

Currency Translation

Derivative Financial Instruments

Fair Value

The three levels of inputs used to measure fair values are as follows:

•Level 1 – Observable inputs such as unadjusted quoted prices in active markets for identical assets and liabilities.

•Level 2 – Observable inputs other than quoted prices in active markets for identical assets and liabilities.

•Level 3 – Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets and liabilities.

The Company presents various fair value disclosures in Note 6 and Note 9 of the Notes to Consolidated Financial Statements included in Item 8 of this Form 10-KT.

Newly Adopted Accounting Standards

Recently Issued Accounting Standards

POST-RETIREMENT BENEFIT PLANS - Actuarial Assumptions Used to Measure Pension Costs (Details) (Details)	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Retirement Benefits [Abstract]
Discount rate	5.11%	6.05%	5.61%
Expected return on plan assets	5.58%	5.84%	4.99%
Rate of compensation increase	2.96%	2.96%	2.99%

BUSINESS SEGMENT INFORMATION

11 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

BUSINESS SEGMENT INFORMATION

As previously announced, effective November 1, 2024, the Company implemented changes to its reporting structure, moving to a material solution-based structure. The Company realigned its organizational structure to four operating segments and four reportable segments: Customized Polymer Solutions; Durable Metal Solutions; Sustainable Fiber Solutions; and Integrated Solutions.

Operations in the Customized Polymer Solutions reportable segment involve the production and sale of a comprehensive line of polymer based packaging products, such as plastic drums, rigid intermediate bulk containers and small plastics. The polymer-based packaging products and services are sold on a global basis to customers in industries such as chemicals, food and beverage, agricultural, pharmaceutical and mineral products, among others.

Operations in the Durable Metal Solutions reportable segment involve the production and sale of metal-based packaging products, including a wide variety of steel drums. The metal-based packaging products are sold on a global basis to customers in industries such as chemicals, petroleum, agriculture and paints and coatings, among others.

Operations in the Sustainable Fiber Solutions reportable segment involve the production and sale of fiber-based packaging products, including fibre drums, uncoated recycled board, coated recycled board, tubes and cores and specialty partitions made from uncoated recycled board, coated recycled board and containerboard. The fiber-based packaging products are sold in North America in industries such as packaging, automotive, construction, food and beverage and building products. In addition, this reportable segment included the Soterra Business through the end of fiscal 2025.

Operations in the Integrated Solutions reportable segment involve the production and sale of complimentary packaging products, such as paints, linings and closure systems for industrial packaging products and related services. In addition, this reportable segment is involved in the purchase and sale of recycled fiber and the production and sale of adhesives used in the Company’s paperboard products. These products and services are used internally by the Company and are also sold to external customers.

The Company’s Chief Operating Decision Maker (“CODM”) is the Chief Executive Officer. The Company’s CODM reviews financial information presented on material solution-based operating segments for purposes of making operating decisions and assessing financial performance. The primary measurement used by the CODM to measure the financial performance of each segment is operating profit. The CODM uses operating profit for each segment in the strategic planning, budgeting and forecasting process along with reviewing operating profit quarterly for evaluating results relative to employee compensation targets and making decisions about allocating capital and other resources. Intercompany balances were eliminated in consolidation and are not reviewed when evaluating segment performance.

As disclosed above, the Company completed the Containerboard Divestiture in the fourth quarter of 2025. The Containerboard Business was previously reported under the Company’s Sustainable Fiber Solutions segment. The Containerboard Divestiture qualifies as discontinued operations. The Company’s allocation of corporate expenses to each reportable segment was updated to reflect how management measures performance and allocates resources with the Containerboard Business being excluded from continuing operations. The Company has recast data from prior periods to reflect this change to conform to the current year presentation.

The following table presents reportable segment information for the year ended September 30, 2025 (11-month):


	Year Ended September 30, 2025 (11-month)
(in millions)	Customized Polymer Solutions		Durable Metal Solutions		Sustainable Fiber Solutions		Integrated Solutions		Consolidated
Net sales by geographic area:
United States*	$	496.3	$	251.8	$	1,051.9	$	225.9	$	2,025.9
Europe, Middle East and Africa	467.4		798.8		0.9		42.6		1,309.7
Asia Pacific and Other Americas	205.9		317.6		44.1		29.9		597.5
Net sales	1,169.6		1,368.2		1,096.9		298.4		3,933.1
Costs of products sold	915.9		1,085.7		846.9		213.1		3,061.6

Selling, general and administrative expenses	207.2		167.3		154.0		73.4		601.9
Acquisition and integration related costs	7.1		—		—		—		7.1
Restructuring and other charges	9.6		12.5		36.4		4.1		62.6

Non-cash asset impairment charges	3.1		2.3		31.8		0.7		37.9
(Gain) loss on disposal of properties, plants and equipment, net	(0.2)		(7.6)		0.3		—		(7.5)
Loss on disposal of businesses, net	—		—		0.5		1.4		1.9
Operating profit	26.9		108.0		27.0		5.7		167.6
* The United States is the only country material to present individually. All other countries have been aggregated into regions.

The following table presents reportable segment information for the year ended October 31, 2024:


	Year Ended October 31, 2024
(in millions)	Customized Polymer Solutions		Durable Metal Solutions		Sustainable Fiber Solutions		Integrated Solutions		Consolidated
Net sales by geographic area:
United States*	$	508.8	$	314.7	$	1,188.4	$	300.6	$	2,312.5
Europe, Middle East and Africa	438.2		905.1		0.7		44.0		1,388.0
Asia Pacific and Other Americas	188.1		382.3		53.2		30.8		654.4
Net sales	1,135.1		1,602.1		1,242.3		375.4		4,354.9
Costs of products sold	912.4		1,282.9		994.3		266.2		3,455.8

Selling, general and administrative expenses	164.0		183.7		161.7		80.5		589.9
Acquisition and integration related costs	17.2		—		1.3		—		18.5
Restructuring and other charges	2.3		3.0		(0.8)		0.9		5.4

Non-cash asset impairment charges	0.3		0.4		1.7		0.2		2.6
Gain on disposal of properties, plants and equipment, net	(0.2)		(2.8)		(3.4)		(2.7)		(9.1)
Gain on disposal of businesses, net	—		—		—		(46.0)		(46.0)
Operating profit	39.1		134.9		87.5		76.3		337.8
* The United States is the only country material to present individually. All other countries have been aggregated into regions.

The following table presents reportable segment information for the year ended October 31, 2023:


	Year Ended October 31, 2023
(in millions)	Customized Polymer Solutions		Durable Metal Solutions		Sustainable Fiber Solutions		Integrated Solutions		Consolidated
Net sales by geographic area:
United States*	$	442.3	$	336.4	$	1,254.4	$	255.9	$	2,289.0
Europe, Middle East and Africa	380.1		893.4		0.6		36.8		1,310.9
Asia Pacific and Other Americas	94.7		401.9		52.9		25.9		575.4
Net sales	917.1		1,631.7		1,307.9		318.6		4,175.3
Costs of products sold	706.3		1,323.1		988.4		228.9		3,246.7

Selling, general and administrative expenses	110.8		166.5		167.5		65.5		510.3
Acquisition and integration related costs	10.8		—		8.2		—		19.0
Restructuring and other charges	2.1		1.7		12.5		2.4		18.7

Non-cash asset impairment charges	0.1		1.8		17.7		0.7		20.3
Loss (gain) on disposal of properties, plants and equipment, net	0.2		(4.5)		2.1		(0.3)		(2.5)
Gain on disposal of businesses, net	(9.4)		—		(54.6)		—		(64.0)
Operating profit	96.2		143.1		166.1		21.4		426.8
* The United States is the only country material to present individually. All other countries have been aggregated into regions.

The following table presents additional reportable segment information:


	11 Months		12 Months		12 Months
	September 30,		October 31,		October 31,
Year Ended (in millions)	2025		2024		2023
Depreciation, depletion and amortization expense:
Customized Polymer Solutions	$	86.3	$	79.3	$	47.4
Durable Metal Solutions	25.6		29.1		28.7
Sustainable Fiber Solutions	91.8		106.6		109.4
Integrated Solutions	9.0		12.7		12.5
Total depreciation, depletion and amortization expense	$	212.7	$	227.7	$	198.0

Capital expenditures:
Customized Polymer Solutions	$	37.3	$	46.1	$	37.7
Durable Metal Solutions	19.2		25.7		32.1
Sustainable Fiber Solutions	44.4		44.8		70.2
Integrated Solutions	5.2		5.9		12.1
Total segment	106.1		122.5		152.1
Corporate and other	1.4		1.8		18.0
Total capital expenditures	$	107.5	$	124.3	$	170.1

The following table presents total assets by reportable segment and total long lived assets, net by geographic area:


(in millions)	September 30, 2025		October 31, 2024
Assets:
Customized Polymer Solutions	$	1,872.9	$	1,818.7
Durable Metal Solutions	1,184.3		1,183.8
Sustainable Fiber Solutions	1,848.1		2,788.8
Integrated Solutions	403.2		403.1
Total segment	5,308.5		6,194.4
Corporate and other*	458.3		453.2
Total assets	$	5,766.8	$	6,647.6
*Corporate and other assets held at corporate level or used by corporate functions that are not directly attributable to reportable segments.

Property, plant and equipment, net and lease right-of-use assets:
United States*	$	814.7	$	1,119.9
Europe, Middle East and Africa	392.2		373.7
Asia Pacific and other Americas	148.9		146.0
Total properties, plants and equipment, net	$	1,355.8	$	1,639.6
*The United States is the only country material to present individually. All other countries have been aggregated into regions.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) a in Thousands, $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025 USD ($) a country product_class block	Oct. 31, 2024 USD ($)	Oct. 31, 2023 USD ($)
Basis Of Presentation And Significant Accounting Policies [Line Items]
Number of countries in which company operates \| country	35
Allowance for trade accounts receivable	$ 7.2	$ 6.1
Inventory valuation reserves	17.9	16.0
Depreciation expense on properties, plants and equipment	$ 122.8	135.8	$ 125.8
Measurement area of timber properties in the south eastern United States which are actively managed in acres \| a	176
Number of product classes \| product_class	5
Number of depletion blocks \| block	5
Self insurance reserve	$ 11.9	7.2
Liabilities for anticipated costs	$ 21.1	$ 21.1
Minimum \| Software and Software Development Costs
Basis Of Presentation And Significant Accounting Policies [Line Items]
Newly constructed road, depreciation period	3 years
Minimum \| Timber Properties
Basis Of Presentation And Significant Accounting Policies [Line Items]
Newly constructed road, depreciation period	10 years
Maximum \| Software and Software Development Costs
Basis Of Presentation And Significant Accounting Policies [Line Items]
Newly constructed road, depreciation period	7 years
Maximum \| Timber Properties
Basis Of Presentation And Significant Accounting Policies [Line Items]
Newly constructed road, depreciation period	20 years

ACQUISITIONS AND DIVESTITURES - Additional Information (Details) $ in Millions			3 Months Ended	11 Months Ended	12 Months Ended
	Aug. 31, 2025 USD ($)	Mar. 26, 2024 USD ($)	Jul. 31, 2024 USD ($)	Sep. 30, 2025 USD ($)	Oct. 31, 2024 USD ($)	Oct. 31, 2023 USD ($)	Oct. 01, 2025 USD ($)	Aug. 05, 2025 derivative
Business Combination [Line Items]
Proceeds from divestiture of businesses				$ 1,780.4	$ 89.0	$ 105.3
Gain on disposal of business				1,094.9	46.0	64.0
Goodwill				1,696.5	1,655.5	$ 1,394.8
Ipackchem Acquisition
Business Combination [Line Items]
Purchase price		$ 582.1
Acquisition and integration related costs		8.9
Goodwill		$ 281.0
Ipackchem Acquisition \| Minimum \| Building and Building Improvements
Business Combination [Line Items]
Newly constructed road, depreciation period		1 year
Ipackchem Acquisition \| Minimum \| Equipment
Business Combination [Line Items]
Newly constructed road, depreciation period		1 year
Ipackchem Acquisition \| Maximum \| Building and Building Improvements
Business Combination [Line Items]
Newly constructed road, depreciation period		21 years
Ipackchem Acquisition \| Maximum \| Equipment
Business Combination [Line Items]
Newly constructed road, depreciation period		10 years
Intercompany Sales, Recycled Fiber \| Containerboard Business
Business Combination [Line Items]
Cost of products sold				23.3	34.6
Net sales				23.3	$ 34.6
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Soterra LLC
Business Combination [Line Items]
Number of acres \| derivative								173,000
Aggregate carrying value				$ 231.4
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Soterra LLC \| Subsequent Event
Business Combination [Line Items]
Cash consideration							$ 462.0
Discontinued Operations, Disposed of by Sale \| Greif Containerboard Solutions, LLC
Business Combination [Line Items]
Cash consideration	$ 1,804.7
Transaction costs	$ 23.4
Discontinued Operations, Disposed of by Sale \| Delta Petroleum Company, Inc.
Business Combination [Line Items]
Proceeds from divestiture of businesses			$ 91.2
Gain on disposal of business			46.1
Disposal group, including discontinued operation, goodwill			$ 26.1

INCOME TAXES - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Unrecognized Tax Benefits [Roll Forward]
Balance of unrecognized tax benefit at beginning of year	$ 25.5	$ 23.4	$ 24.3
Increases in tax positions for prior years	6.9	1.7	0.6
Increases in tax positions for current years	3.5	3.9	4.1
Lapse in statute of limitations	(2.5)	(3.6)	(4.6)
Currency translation	1.7	0.1	(1.0)
Balance of unrecognized tax benefit at end of year	$ 35.1	$ 25.5	$ 23.4

LEASES - Weighted-Average Lease Term and Discount Rate (Details)	Sep. 30, 2025	Oct. 31, 2024
Weighted-average remaining lease term (years):
Operating leases	7 years 10 months 24 days	8 years
Finance leases	5 years 4 months 24 days	6 years 2 months 12 days
Weighted-average discount rate:
Operating leases	4.70%	4.57%
Finance leases	6.32%	6.23%

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Director	Earnings per Class A common stock - basic	Earnings per Class B common stock - basic	Greif, Inc. Equity	Greif, Inc. Equity Director	Common Stock	Common Stock Director	Treasury Stock	Treasury Stock Director	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non controlling Interests
Beginning balance (in shares) at Oct. 31, 2022							47,443,000
Beginning balance, value at Oct. 31, 2022	$ 1,794.3				$ 1,761.3		$ 173.5		$ (205.1)		$ 2,095.2	$ (302.3)	$ 33.0
Beginning balance, treasury stock (in shares) at Oct. 31, 2022									29,399,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	379.1				359.2						359.2		19.9
Other comprehensive income (loss):
Foreign currency translation	(1.1)				(1.2)							(1.2)	0.1
Derivative financial instruments, net of tax (benefit) expense	(1.1)				(1.1)							(1.1)
Minimum pension liability adjustment, net of tax expense	(11.9)				(11.9)							(11.9)
Comprehensive income	365.0				345.0
Current period mark to redemption value of redeemable noncontrolling interest and other	0.1				0.1						0.1
Net income allocated to redeemable noncontrolling interests	(2.7)												(2.7)
Dividends paid to Greif, Inc.,	(116.5)				(116.5)						(116.5)
Dividends declared to noncontrolling interests and other	(11.9)												(11.9)
Dividends earned on RSU shares	(0.1)				(0.1)						(0.1)
Colleague stock purchase plan	0.3				0.3		$ 0.3
Share repurchases (in shares)							(1,006,000)		1,006,000
Share repurchases	(64.4)				(64.4)		$ 14.5		$ (78.9)
Long-term incentive shares issued (in shares)							350,000		(350,000)
Long-term incentive shares issued	16.7				16.7		$ 14.7		$ 2.0
Share based compensation	4.2				4.2		$ 4.2
Restricted stock, directors (in shares)								18,000		(18,000)
Restricted stock, directors		$ 1.3				$ 1.3		$ 1.2		$ 0.1
Ending balance (in shares) at Oct. 31, 2023							46,805,000
Ending balance, value at Oct. 31, 2023	1,986.3				1,947.9		$ 208.4		$ (281.9)		2,337.9	(316.5)	38.4
Ending balance, treasury stock (in shares) at Oct. 31, 2023									30,037,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	295.5				268.8						268.8		26.7
Other comprehensive income (loss):
Foreign currency translation	2.5				3.6							3.6	(1.1)
Derivative financial instruments, net of tax (benefit) expense	(37.8)				(37.8)							(37.8)
Minimum pension liability adjustment, net of tax expense	(4.4)				(4.4)							(4.4)
Comprehensive income	255.8				230.2
Current period mark to redemption value of redeemable noncontrolling interest and other	1.0				1.0						1.0
Net income allocated to redeemable noncontrolling interests	(8.5)												(8.5)
Dividends paid to Greif, Inc.,	(121.0)				(121.0)						(121.0)
Dividends declared to noncontrolling interests and other	(20.4)												(20.4)
Dividends earned on RSU shares	(0.5)				(0.5)						(0.5)
Colleague stock purchase plan (in shares)							71,000		(71,000)
Colleague stock purchase plan	4.7				4.7		$ 4.1		$ 0.6
Long-term incentive shares issued (in shares)							284,000		(284,000)
Long-term incentive shares issued	12.8				12.8		$ 10.6		$ 2.2
Share based compensation	6.0				6.0		$ 6.0
Restricted stock, directors (in shares)								21,000		(21,000)
Restricted stock, directors		1.3				1.3		$ 1.2		$ 0.1
Ending balance (in shares) at Oct. 31, 2024			25,850,270	21,331,127			47,181,000
Ending balance, value at Oct. 31, 2024	2,117.5				2,082.4		$ 230.3		$ (279.0)		2,486.2	(355.1)	35.1
Ending balance, treasury stock (in shares) at Oct. 31, 2024			16,431,650	13,228,873					29,661,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	863.1				840.0						840.0		23.1
Other comprehensive income (loss):
Foreign currency translation	113.5				113.0							113.0	0.5
Derivative financial instruments, net of tax (benefit) expense	(25.8)				(25.8)							(25.8)
Minimum pension liability adjustment, net of tax expense	17.1				17.1							17.1
Comprehensive income	967.9				944.3
Current period mark to redemption value of redeemable noncontrolling interest and other	(4.6)				(4.6)						(4.6)
Net income allocated to redeemable noncontrolling interests	(6.6)												(6.6)
Dividends paid to Greif, Inc.,	(126.4)				(126.4)						(126.4)
Dividends declared to noncontrolling interests and other	(14.6)												(14.6)
Dividends earned on RSU shares	(0.3)				(0.3)						(0.3)
Colleague stock purchase plan (in shares)							85,000		(85,000)
Colleague stock purchase plan	5.3				5.3		$ 4.6		$ 0.7
Long-term incentive shares issued (in shares)							211,000		(211,000)
Long-term incentive shares issued	8.2				8.2		$ 6.6		$ 1.6
Share based compensation	4.5				4.5		$ 4.5
Restricted stock, directors (in shares)								24,000		(24,000)
Restricted stock, directors		(4.3)				(4.3)		$ (4.5)		$ 0.2
Restricted stock executives and directors		$ 5.8				$ 5.8		$ 5.8
Ending balance (in shares) at Sep. 30, 2025			26,169,944	21,331,127			47,501,000
Ending balance, value at Sep. 30, 2025	$ 2,952.4				$ 2,914.9		$ 247.3		$ (276.5)		$ 3,194.9	$ (250.8)	$ 37.5
Ending balance, treasury stock (in shares) at Sep. 30, 2025			16,111,976	13,228,873					29,341,000

COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024
Accumulated Other Comprehensive Income (Loss)
Beginning balance, value	$ 2,117.5	$ 1,986.3
Ending balance, value	2,952.4	2,117.5
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
Beginning balance, value	(355.1)	(316.5)
Other Comprehensive Income (Loss)	104.3	(38.6)
Ending balance, value	(250.8)	(355.1)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss)
Beginning balance, value	(314.1)	(317.7)
Other Comprehensive Income (Loss)	113.0	3.6
Ending balance, value	(201.1)	(314.1)
Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss)
Beginning balance, value	33.9	71.7
Other Comprehensive Income (Loss)	(25.8)	(37.8)
Ending balance, value	8.1	33.9
Minimum Pension Liability Adjustment
Accumulated Other Comprehensive Income (Loss)
Beginning balance, value	(74.9)	(70.5)
Other Comprehensive Income (Loss)	17.1	(4.4)
Ending balance, value	$ (57.8)	$ (74.9)

- Definition

Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity.

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Reference 57: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

11 Months Ended

Sep. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill by Segment

The following table summarizes the changes in the carrying amount of goodwill by reportable segment for the years ended September 30, 2025 (11-month) and October 31, 2024:


(in millions)	Global Industrial Packaging		Paper Packaging & Services		Customized Polymer Solutions		Durable Metal Solutions		Sustainable Fiber Solutions		Integrated Solutions		Total
Balance at October 31, 2023	$	887.6	$	507.2	$	—	$	—	$	—	$	—	$	1,394.8
Goodwill acquired	278.5		—		—		—		—		—		278.5
Goodwill allocated to divestitures	(26.1)		—		—		—		—		—		(26.1)


Currency translation	8.3		—		—		—		—		—		8.3
Balance at October 31, 2024	$	1,148.3	$	507.2	$	—	$	—	$	—	$	—	$	1,655.5
Segment recast	(1,148.3)		(507.2)		607.9		401.8		475.9		169.9		—
Goodwill acquired / Measurement period adjustment	—		—		(18.0)		—		—		—		(18.0)



Currency translation	—		—		32.5		16.9		—		9.6		59.0
Balance at September 30, 2025	$	—	$	—	$	622.4	$	418.7	$	475.9	$	179.5	$	1,696.5

Schedule of Finite-Lived Intangible Assets

The following table summarizes the carrying amount of net intangible assets by class as of September 30, 2025 and October 31, 2024:


(in millions)	Gross Intangible Assets		Accumulated Amortization		Net Intangible Assets
September 30, 2025:
Indefinite lived:
Trademarks and trade names	$	3.9	$	—	$	3.9
Definite lived:
Customer relationships	1,184.8		408.6		776.2
Trademarks and trade names	53.8		28.0		25.8
Developed technology	42.1		8.5		33.6
Other	2.1		0.7		1.4
Total	$	1,286.7	$	445.8	$	840.9

October 31, 2024:
Indefinite lived:
Trademarks and trade names	$	3.9	$	—	$	3.9
Definite lived:
Customer relationships	1,187.6		332.1		855.5
Trademarks and trade names	54.8		18.8		36.0
Developed technology	38.9		3.3		35.6
Other	2.1		0.4		1.7
Total	$	1,287.3	$	354.6	$	932.7

Schedule of Indefinite-Lived Intangible Assets

The following table summarizes the carrying amount of net intangible assets by class as of September 30, 2025 and October 31, 2024:


(in millions)	Gross Intangible Assets		Accumulated Amortization		Net Intangible Assets
September 30, 2025:
Indefinite lived:
Trademarks and trade names	$	3.9	$	—	$	3.9
Definite lived:
Customer relationships	1,184.8		408.6		776.2
Trademarks and trade names	53.8		28.0		25.8
Developed technology	42.1		8.5		33.6
Other	2.1		0.7		1.4
Total	$	1,286.7	$	445.8	$	840.9

October 31, 2024:
Indefinite lived:
Trademarks and trade names	$	3.9	$	—	$	3.9
Definite lived:
Customer relationships	1,187.6		332.1		855.5
Trademarks and trade names	54.8		18.8		36.0
Developed technology	38.9		3.3		35.6
Other	2.1		0.4		1.7
Total	$	1,287.3	$	354.6	$	932.7

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
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-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
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Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
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-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1A

Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-2

+ Details

DEBT - Additional Information (Details) € in Millions	Mar. 25, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2025 EUR (€)	Aug. 28, 2025 USD ($)	Oct. 31, 2024 USD ($)	May 17, 2023 USD ($)	Mar. 01, 2022 USD ($)
Debt Instrument [Line Items]
Long-term debt		$ 919,400,000			$ 2,729,100,000
Annual maturities, long-term debt, 2026		0
Annual maturities, long-term debt, 2027		784,100,000
Annual maturities, long-term debt, 2028		135,300,000
Annual maturities, long-term debt, thereafter		0
European RPA
Debt Instrument [Line Items]
Financing receivable maximum amount under receivable purchase agreement		117,000,000	€ 100.0
Credit Agreement
Debt Instrument [Line Items]
Long-term debt		$ 919,400,000
Accounts receivable credit facilities
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 200,000,000.0
Weighted average interest rate		5.45%	5.45%
International Trade Accounts Receivable Credit Facilities
Debt Instrument [Line Items]
Weighted average interest rate		3.59%	3.59%
Term Loan \| Secured Term Loan A-1 Facility
Debt Instrument [Line Items]
Amount of debt							$ 1,100,000,000
Term Loan \| Secured Term Loan A-2 Facility
Debt Instrument [Line Items]
Amount of debt							515,000,000
Revolving Credit Facility \| Credit Agreement
Debt Instrument [Line Items]
Weighted average interest rate		5.85%	5.85%
Actual interest rate		5.92%	5.92%
Revolving Credit Facility \| 2022 Credit Agreement
Debt Instrument [Line Items]
Long-term debt		$ 0			373,700,000
Debt issuance costs		1,500,000
Revolving Credit Facility \| Accounts receivable credit facilities
Debt Instrument [Line Items]
Maximum borrowing capacity						$ 300,000,000	800,000,000
Multicurrency Facility \| Accounts receivable credit facilities
Debt Instrument [Line Items]
Maximum borrowing capacity							725,000,000
U.S. Dollar Facility \| Accounts receivable credit facilities
Debt Instrument [Line Items]
Maximum borrowing capacity							$ 75,000,000
Term Loan
Debt Instrument [Line Items]
Debt instrument amortization rate	2.50%
Debt issuance costs		4,600,000
Term Loan \| Term Loan \| Secured Term Loan A-4 Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 300,000,000
Domestic Line of Credit
Debt Instrument [Line Items]
Long-term debt		0			357,900,000
Domestic Line of Credit \| Accounts receivable credit facilities
Debt Instrument [Line Items]
Long-term line of credit		179,700,000			273,700,000
Foreign Line of Credit \| International Trade Accounts Receivable Credit Facilities \| European RPA
Debt Instrument [Line Items]
Long-term debt		$ 95,300,000			$ 84,200,000

REDEEMABLE NONCONTROLLING INTERESTS - Change in Redeemable Noncontrolling Interest (Details)(Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Redeemable Noncontrolling Interest
Redeemable noncontrolling interests, beginning balance	$ 129.9	$ 125.3
Current period mark to redemption value	4.6	(1.0)
Acquisition of redeemable shareholder interest		2.0
Repurchase of redeemable shareholder interest	(40.9)
Redeemable noncontrolling interest share of income	6.6	8.5	$ 2.7
Dividends to redeemable noncontrolling interest and other	(7.9)	(4.9)
Redeemable noncontrolling interests, ending balance	$ 92.3	$ 129.9	$ 125.3

RESTRUCTURING CHARGES - Additional Information (Details) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025 USD ($) plant employee	Oct. 31, 2024 USD ($) plant employee	Oct. 31, 2023 USD ($) plant employee
Restructuring Cost and Reserve [Line Items]
Costs incurred and charged to expense	$ 40.3	$ 5.4	$ 18.7
Number of plants closed \| plant	7	4	9
Number of employees severed \| employee	500	126	456
Restructuring reserve, accrual release		$ (9.0)
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring and other charges
Employee Separation Costs
Restructuring Cost and Reserve [Line Items]
Costs incurred and charged to expense	$ 28.2	7.6	$ 11.8
Other Costs
Restructuring Cost and Reserve [Line Items]
Costs incurred and charged to expense	$ 12.1	$ 6.8	$ 6.9

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References + Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

LEASES

11 Months Ended

Sep. 30, 2025

Leases [Abstract]

LEASES

The Company leases certain buildings, warehouses, land, transportation equipment, operating equipment and office equipment with remaining lease terms from less than 1 year up to 17 years. The Company reviews all options to extend, terminate, or purchase a right of use asset at the time of lease inception and accounts for options deemed reasonably certain.

The Company combines lease and non-lease components for all leases, except real estate, for which these components are presented separately. Leases with an initial term of twelve months or less are not capitalized and are recognized on a straight-line basis over the lease term. The implicit rate is not readily determinable for substantially all of the Company’s leases, therefore the initial present value of lease payments is calculated utilizing an estimated incremental borrowing rate determined at the portfolio level based on market and Company specific information.

Certain of the Company’s leases include variable costs. As the right of use asset recorded on the balance sheet was determined based upon factors considered at the commencement date, changes in these variable expenses are not capitalized and are expensed as incurred throughout the lease term.

As of September 30, 2025, the Company had no significant leases that had not commenced.

The following table presents the lease expense components:


	11 Months		12 Months
Year Ended (in millions)	September 30, 2025		October 31, 2024
Operating lease cost	$	53.2	$	58.9
Finance lease cost - amortization	6.1		6.3
Finance lease cost - interest	1.8		2.3
Other lease cost*	27.7		28.9
Total lease cost	$	88.8	$	96.4
*includes variable and short-term lease costs

Future maturity for the Company’s lease liabilities, during the next five years, and in the aggregate for the years thereafter, are as follows:


(in millions)	Operating Leases		Finance Leases		Total expected payments
2026	$	50.9	$	8.4	$	59.3
2027	40.9		6.2		47.1
2028	33.9		6.0		39.9
2029	25.1		5.3		30.4
2030	14.5		5.0		19.5
Thereafter	56.4		4.6		61.0
Total lease payments	$	221.7	$	35.5	$	257.2
Less: interest	(33.9)		(0.7)		(34.6)
Lease liabilities	$	187.8	$	34.8	$	222.6

The following table presents the weighted-average lease term and discount rate as of September 30, 2025 and October 31, 2024:


	11 Months		12 Months
	September 30, 2025		October 31, 2024
Weighted-average remaining lease term (years):
Operating leases	7.9		8.0
Finance leases	5.4		6.2
Weighted-average discount rate:
Operating leases	4.70	%	4.57	%
Finance leases	6.32	%	6.23	%

The following table presents other required lease related information:


	11 Months		12 Months
(in millions)	September 30, 2025		October 31, 2024
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used for operating liabilities	$	53.0	$	59.1
Financing cash flows used for finance leases	5.5		5.5
Leased assets obtained in exchange for new lease liabilities:
Leased assets obtained in exchange for new operating lease liabilities	5.4		60.5
Leased assets obtained in exchange for new finance lease liabilities	0.8		5.2

RESTRUCTURING CHARGES - Reconciliation of Beginning and Ended Restructuring Reserve Balances (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 4.9	$ 16.8
Costs incurred and charged to expense	40.3	5.4
Costs paid or otherwise settled	(23.5)	(17.3)
Restructuring reserve, ending balance	21.7	4.9
Employee Separation Costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	4.8	16.4
Costs incurred and charged to expense	28.2	(1.4)
Costs paid or otherwise settled	(11.7)	(10.2)
Restructuring reserve, ending balance	21.3	4.8
Other Costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0.1	0.4
Costs incurred and charged to expense	12.1	6.8
Costs paid or otherwise settled	(11.8)	(7.1)
Restructuring reserve, ending balance	$ 0.4	$ 0.1

EARNINGS PER SHARE (Tables)

11 Months Ended

Sep. 30, 2025

Earnings Per Share [Abstract]

Schedule of Computation of Class Based Basic and Diluted Earnings Per Share

The Company calculates EPS as follows:

Basic Class A EPS

40% * Average Class A Shares Outstanding

Undistributed Net Income

Class A Dividends Per Share

40% * Average Class A Shares Outstanding + 60% * Average Class B Shares Outstanding

Average Class A Shares Outstanding

Diluted Class A EPS

40% * Average Class A Shares Outstanding

Undistributed Net Income

Class A Dividends Per Share

40% * Average Class A Shares Outstanding + 60% * Average Class B Shares Outstanding

Average Diluted Class A Shares Outstanding

Basic Class B EPS

60% * Average Class B Shares Outstanding

Undistributed Net Income

Class B Dividends Per Share

40% * Average Class A Shares Outstanding + 60% * Average Class B Shares Outstanding

Average Class B Shares Outstanding

* Diluted Class B EPS calculation is identical to Basic Class B calculation

Schedule of Computation of Earnings Per Share Basic and Diluted

The following table provides EPS information for each period, respectively:


	11 Months		12 Months		12 Months
	September 30,		October 31,		October 31,
Year Ended (in millions, except per share data)	2025		2024		2023
Numerator
Numerator for basic and diluted EPS
Net income from continuing operations attributable to Greif, Inc.	$	15.1	$	235.9	$	280.6
Net income from discontinued operations attributable to Greif, Inc.	824.9		32.9		78.6
Net income attributable to Greif, Inc.	840.0		268.8		359.2
Dividends declared	(126.4)		(121.0)		(116.5)
Undistributed net income attributable to Greif, Inc.	$	713.6	$	147.8	$	242.7
Denominator
Denominator for basic EPS –
Class A common stock	26.1		25.8		25.6
Class B common stock	21.3		21.3		21.5
Denominator for diluted EPS –
Class A common stock	26.3		26.0		26.0
Class B common stock	21.3		21.3		21.5
EPS Basic
Class A common stock (continued operations) - basic	$	0.27	$	4.09	$	4.86
Class A common stock (discontinued operations) - basic	$	14.20	$	0.57	$	1.36
Earnings per Class A common stock - basic	$	14.47	$	4.66	$	6.22
Class B common stock (continued operations) - basic	$	0.38	$	6.13	$	7.28
Class B common stock (discontinued operations) - basic	$	21.31	$	0.85	$	2.04
Earnings per Class B common stock - basic	$	21.69	$	6.98	$	9.32
EPS Diluted
Class A common stock (continued operations) - diluted	$	0.28	$	4.08	$	4.81
Class A common stock (discontinued operations) - diluted	$	14.06	$	0.56	$	1.34
Earnings per Class A common stock - diluted	$	14.34	$	4.64	$	6.15
Class B common stock (continued operations) - diluted	$	0.38	$	6.13	$	7.28
Class B common stock (discontinued operations) - diluted	$	21.31	$	0.85	$	2.04
Earnings per Class B common stock - diluted	$	21.69	$	6.98	$	9.32

Schedule of Company's Class A and Class B Common and Treasury Shares

The following table summarizes the Company’s Class A and Class B common and treasury shares at the specified dates:


	Authorized Shares	Issued Shares	Outstanding Shares	Treasury Shares
September 30, 2025:
Class A common stock	128,000,000	42,281,920	26,169,944	16,111,976
Class B common stock	69,120,000	34,560,000	21,331,127	13,228,873
October 31, 2024:
Class A common stock	128,000,000	42,281,920	25,850,270	16,431,650
Class B common stock	69,120,000	34,560,000	21,331,127	13,228,873

Schedule of Reconciliation of Shares Used to Calculate Basic and Diluted Earnings Per Share

The following is a reconciliation of the shares used to calculate basic and diluted earnings per share:


	11 Months	12 Months	12 Months
	September 30,	October 31,	October 31,
Year Ended	2025	2024	2023
Class A Common Stock:
Basic shares	26,076,015	25,751,386	25,592,928
Assumed conversion of stock options and unvested shares	268,937	226,015	406,303
Diluted shares	26,344,952	25,977,401	25,999,231
Class B Common Stock:
Basic and diluted shares	21,331,127	21,331,127	21,472,531

- Definition

Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
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+ Details

DEBT - Short-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Short-Term Debt [Line Items]
Short-term borrowings	$ 287.7	$ 18.6
Accounts receivable credit facilities
Short-Term Debt [Line Items]
Short-term borrowings	275.0	0.0
Other debt
Short-Term Debt [Line Items]
Short-term borrowings	$ 12.7	$ 18.6

STOCK-BASED COMPENSATION - Key Assumptions (Details) - $ / shares shares in Thousands	Dec. 13, 2024	Dec. 12, 2023	Dec. 14, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-Free Rate at Valuation Date	3.60%	3.60%	0.00%
Estimated Volatility at Valuation Date	28.40%	29.30%	0.00%
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	123,800	120,843	105,753
Weighted Average Fair Value of Units at Grant Date (in usd per share)	$ 66.61	$ 62.83	$ 68.99
Phantom Share Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	215,953	202,402	183,218
Weighted Average Fair Value of Units at Grant Date (in usd per share)	$ 61.19	$ 60.77	$ 70.06
Weighted Average Fair Value of PSUs at Valuation Date (in usd per share)	58.10	102.42	110.57
Valuation Date Stock Price (in usd per share)	$ 59.76	$ 59.76	$ 59.76

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details

INCOME TAXES (Tables)

11 Months Ended

Sep. 30, 2025

Income Tax Disclosure [Abstract]

Schedule of Provision for Income Taxes

The provision for income taxes consists of the following:


	11 Months		12 Months		12 Months
	September 30,		October 31,		October 31,
Year Ended (in millions)	2025		2024		2023
Current
Federal	$	21.8	$	41.2	$	61.7
State and local	11.1		7.4		15.6
Non-U.S.	60.2		59.8		49.1
Total Current	93.1		108.4		126.4
Deferred
Federal	(40.0)		(61.5)		(18.8)
State and local	2.0		(12.7)		(8.6)
Non-U.S.	9.7		(12.0)		(0.9)
Total Deferred	(28.3)		(86.2)		(28.3)
Tax expense	$	64.8	$	22.2	$	98.1

Schedule of Reconciliation of Effective Income Tax Rate

The following is a reconciliation of the provision for income taxes based on the federal statutory rate to the Company’s effective income tax rate:


	11 Months		12 Months		12 Months
	September 30,		October 31,		October 31,
Year Ended	2025		2024		2023
Federal statutory rate	21.00	%	21.00	%	21.00	%
Impact of foreign tax rate differential	6.30	%	1.43	%	2.22	%
State and local taxes, net of federal tax benefit	(2.10)	%	(1.72)	%	1.12	%
Net impact of changes in valuation allowances	11.00	%	(3.76)	%	(2.76)	%



Permanent book-tax differences	9.49	%	6.46	%	(0.32)	%
Withholding taxes	11.10	%	5.83	%	3.68	%
Tax credits	(6.90)	%	(5.53)	%	(0.17)	%

Impact of intangible property transfers	—	%	(17.45)	%	—	%
Unrecognized tax benefits	10.90	%	0.37	%	0.05	%
Other items, net	1.70	%	1.25	%	(0.07)	%
Company’s effective income tax rate	62.49	%	7.88	%	24.75	%

Schedule of Significant Components of Company's Deferred Tax Assets and Liabilities

The components of the Company’s deferred tax assets and liabilities as of September 30 and October 31 for the years indicated were as follows:


	September 30,		October 31,
(in millions)	2025		2024
Deferred tax assets
Net operating loss and other carryforwards	$	130.0	$	126.5



Incentive liabilities	20.2		20.5



Operating lease liabilities	44.7		68.1

Other reserves	13.5		12.5

Research and development expenses	64.1		56.7
Other	77.6		70.3





Total deferred tax assets	350.1		354.6
Valuation allowance	(113.3)		(87.4)
Net deferred tax assets	$	236.8	$	267.2

Deferred tax liabilities
Properties, plants and equipment	$	141.8	$	181.1
Operating lease assets	44.7		68.1
Timberland transactions	53.1		52.7
Goodwill and other intangible assets	158.1		163.2
Undistributed profits of non-U.S. subsidiaries	29.9		25.3


Pension liabilities	7.8		8.9
Other	25.1		26.1
Total deferred tax liabilities	460.5		525.4
Net deferred tax liability	$	223.7	$	258.2

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:


(in millions)	2025		2024		2023
Balance of unrecognized tax benefit at beginning of year	$	25.5	$	23.4	$	24.3
Increases in tax positions for prior years	6.9		1.7		0.6

Increases in tax positions for current years	3.5		3.9		4.1

Lapse in statute of limitations	(2.5)		(3.6)		(4.6)
Currency translation	1.7		0.1		(1.0)
Balance of unrecognized tax benefit at end of year	$	35.1	$	25.5	$	23.4

BUSINESS SEGMENT INFORMATION - Reportable Segment Information by Geographic Area (Details) - USD ($) $ in Millions	2 Months Ended	3 Months Ended							10 Months Ended	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Jul. 31, 2025	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Segment Reporting Information [Line Items]
Net sales	$ 701.3	$ 1,134.7	$ 1,101.3	$ 995.8	$ 1,107.0	$ 1,164.9	$ 1,117.5	$ 965.5	$ 3,972.8	$ 3,933.1	$ 4,354.9	$ 4,175.3
Costs of products sold	541.7	877.4	841.4	801.1	879.1	920.0	874.9	781.8	3,155.0	3,061.6	3,455.8	3,246.7
Selling, general and administrative expenses	126.0	157.0	161.8	157.1	146.3	152.8	155.9	134.9	535.5	601.9	589.9	510.3
Acquisition and integration related costs	1.7	1.2	2.0	2.2	2.4	2.0	11.5	2.6	17.4	7.1	18.5	19.0
Restructuring and other charges	20.1	25.2	14.6	2.7	3.8	2.7	(6.8)	5.7	2.7	62.6	5.4	18.7
Non-cash asset impairment charges	10.1	3.4	10.7	13.7	0.7	0.2	0.4	1.3	2.3	37.9	2.6	20.3
Gain on disposal of properties, plants and equipment, net									(7.1)	(7.5)	(9.1)	(2.5)
Loss (gain) on disposal of businesses, net	0.5	0.0	0.5	0.9	0.1	(46.1)	0.0	0.0	(46.1)	1.9	(46.0)	(64.0)
Operating profit	$ 5.0	$ 73.1	$ 69.8	$ 19.7	$ 77.3	$ 136.7	$ 81.9	$ 41.9	$ 313.1	167.6	337.8	426.8
Customized Polymer Solutions
Segment Reporting Information [Line Items]
Net sales										1,169.6	1,135.1	917.1
Costs of products sold										915.9	912.4	706.3
Selling, general and administrative expenses										207.2	164.0	110.8
Acquisition and integration related costs										7.1	17.2	10.8
Restructuring and other charges										9.6	2.3	2.1
Non-cash asset impairment charges										3.1	0.3	0.1
Gain on disposal of properties, plants and equipment, net										(0.2)	(0.2)	0.2
Loss (gain) on disposal of businesses, net										0.0	0.0	(9.4)
Operating profit										26.9	39.1	96.2
Durable Metal Solutions
Segment Reporting Information [Line Items]
Net sales										1,368.2	1,602.1	1,631.7
Costs of products sold										1,085.7	1,282.9	1,323.1
Selling, general and administrative expenses										167.3	183.7	166.5
Acquisition and integration related costs										0.0	0.0	0.0
Restructuring and other charges										12.5	3.0	1.7
Non-cash asset impairment charges										2.3	0.4	1.8
Gain on disposal of properties, plants and equipment, net										(7.6)	(2.8)	(4.5)
Loss (gain) on disposal of businesses, net										0.0	0.0	0.0
Operating profit										108.0	134.9	143.1
Sustainable Fiber Solutions
Segment Reporting Information [Line Items]
Net sales										1,096.9	1,242.3	1,307.9
Costs of products sold										846.9	994.3	988.4
Selling, general and administrative expenses										154.0	161.7	167.5
Acquisition and integration related costs										0.0	1.3	8.2
Restructuring and other charges										36.4	(0.8)	12.5
Non-cash asset impairment charges										31.8	1.7	17.7
Gain on disposal of properties, plants and equipment, net										0.3	(3.4)	2.1
Loss (gain) on disposal of businesses, net										0.5	0.0	(54.6)
Operating profit										27.0	87.5	166.1
Integrated Solutions
Segment Reporting Information [Line Items]
Net sales										298.4	375.4	318.6
Costs of products sold										213.1	266.2	228.9
Selling, general and administrative expenses										73.4	80.5	65.5
Acquisition and integration related costs										0.0	0.0	0.0
Restructuring and other charges										4.1	0.9	2.4
Non-cash asset impairment charges										0.7	0.2	0.7
Gain on disposal of properties, plants and equipment, net										0.0	(2.7)	(0.3)
Loss (gain) on disposal of businesses, net										1.4	(46.0)	0.0
Operating profit										5.7	76.3	21.4
United States
Segment Reporting Information [Line Items]
Net sales										2,025.9	2,312.5	2,289.0
United States \| Customized Polymer Solutions
Segment Reporting Information [Line Items]
Net sales										496.3	508.8	442.3
United States \| Durable Metal Solutions
Segment Reporting Information [Line Items]
Net sales										251.8	314.7	336.4
United States \| Sustainable Fiber Solutions
Segment Reporting Information [Line Items]
Net sales										1,051.9	1,188.4	1,254.4
United States \| Integrated Solutions
Segment Reporting Information [Line Items]
Net sales										225.9	300.6	255.9
Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Net sales										1,309.7	1,388.0	1,310.9
Europe, Middle East and Africa \| Customized Polymer Solutions
Segment Reporting Information [Line Items]
Net sales										467.4	438.2	380.1
Europe, Middle East and Africa \| Durable Metal Solutions
Segment Reporting Information [Line Items]
Net sales										798.8	905.1	893.4
Europe, Middle East and Africa \| Sustainable Fiber Solutions
Segment Reporting Information [Line Items]
Net sales										0.9	0.7	0.6
Europe, Middle East and Africa \| Integrated Solutions
Segment Reporting Information [Line Items]
Net sales										42.6	44.0	36.8
Asia Pacific and Other Americas
Segment Reporting Information [Line Items]
Net sales										597.5	654.4	575.4
Asia Pacific and Other Americas \| Customized Polymer Solutions
Segment Reporting Information [Line Items]
Net sales										205.9	188.1	94.7
Asia Pacific and Other Americas \| Durable Metal Solutions
Segment Reporting Information [Line Items]
Net sales										317.6	382.3	401.9
Asia Pacific and Other Americas \| Sustainable Fiber Solutions
Segment Reporting Information [Line Items]
Net sales										44.1	53.2	52.9
Asia Pacific and Other Americas \| Integrated Solutions
Segment Reporting Information [Line Items]
Net sales										$ 29.9	$ 30.8	$ 25.9

INCOME TAXES - Reconciliation of Effective Income Tax Rate (Details)	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%	21.00%
Impact of foreign tax rate differential	6.30%	1.43%	2.22%
State and local taxes, net of federal tax benefit	(2.10%)	(1.72%)	1.12%
Net impact of changes in valuation allowances	11.00%	(3.76%)	(2.76%)
Permanent book-tax differences	9.49%	6.46%	(0.32%)
Withholding taxes	11.10%	5.83%	3.68%
Tax credits	(6.90%)	(5.53%)	(0.17%)
Impact of intangible property transfers	0.00%	(17.45%)	0.00%
Unrecognized tax benefits	10.90%	0.37%	0.05%
Other items, net	1.70%	1.25%	(0.07%)
Company’s effective income tax rate	62.49%	7.88%	24.75%

POST-RETIREMENT BENEFIT PLANS - Actuarial Assumptions Used to Measure Benefit Obligations (Details)	Sep. 30, 2025	Oct. 31, 2024
Retirement Benefits [Abstract]
Discount rate	5.12%	5.11%
Rate of compensation increase	2.96%	2.96%

ACQUISITIONS AND DIVESTITURES - Pro forma (Details) - Ipackchem Acquisition - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Business Combination [Line Items]
Pro forma net sales	$ 4,443.8	$ 4,396.2
Pro forma net income from continuing operations attributable to Greif, Inc.	$ 256.1	$ 276.0
Class A common stock
Business Combination [Line Items]
Basic earnings per share from continuing operations attributable to Greif, Inc. common shareholders (in usd per share)	$ 4.44	$ 4.78
Diluted earnings per share from continuing operations attributable to Greif, Inc. common shareholders (in usd per share)	4.42	4.73
Class B common stock
Business Combination [Line Items]
Basic earnings per share from continuing operations attributable to Greif, Inc. common shareholders (in usd per share)	6.65	7.16
Diluted earnings per share from continuing operations attributable to Greif, Inc. common shareholders (in usd per share)	$ 6.65	$ 7.16

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Tables)

11 Months Ended

Sep. 30, 2025

Fair Value Disclosures [Abstract]

Schedule of Recurring Fair Value Measurements

The following table presents the fair value of those assets and (liabilities) measured on a recurring basis as of September 30, 2025 and October 31, 2024:


	September 30, 2025
	Assets								Liabilities
(in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Interest rate derivatives	$	—	$	22.1	$	—	$	22.1	$	—	$	—	$	—	$	—
Foreign exchange hedges	—		0.5		—		0.5		—		(0.6)		—		(0.6)
Insurance annuity	—		—		20.3		20.3		—		—		—		—
Cross currency swap	—		5.9		—		5.9		—		(51.0)		—		(51.0)

	October 31, 2024
	Assets								Liabilities
(in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Interest rate derivatives	$	—	$	40.4	$	—	$	40.4	$	—	$	(5.6)	$	—	$	(5.6)
Foreign exchange hedges	—		0.2		—		0.2		—		(0.1)		—		(0.1)
Insurance annuity	—		—		18.9		18.9		—		—		—		—
Cross currency swap	—		17.6		—		17.6		—		(6.4)		—		(6.4)

Schedule of Quantitative about Significant Unobservable Inputs Used to Determine Fair Value of Impairment of Long-Lived Assets Held and Used

Quantitative Information about Non-Recurring Fair Value Measurements

(in millions)

Fair Value of
Impairment

Valuation
Technique

Unobservable
Input

Range
of Input Values

September 30, 2025

Impairment of Long-Lived Assets

23.4

Discounted Cash Flows, Indicative Bids

N/A

Impairment of Net Assets Held for Sale

14.5

Indicative Bids

N/A

Total

37.9

October 31, 2024

Impairment of Long-Lived Assets

2.6

Discounted Cash Flows, Indicative Bids

N/A

Total

2.6

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Amortization Expense on Other Intangible Assets (Details)	Sep. 30, 2025
Developed technology
Finite-Lived Intangible Assets [Line Items]
Useful life	8 years
Minimum \| Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Useful life	5 years
Minimum \| Customer relationships
Finite-Lived Intangible Assets [Line Items]
Useful life	5 years
Maximum \| Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Useful life	15 years
Maximum \| Customer relationships
Finite-Lived Intangible Assets [Line Items]
Useful life	23 years

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details