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Document and Entity Information - shares	6 Months Ended
Document and Entity Information - shares	Apr. 30, 2018	Jun. 04, 2018
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Apr. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Trading Symbol	GEF
Entity Registrant Name	GREIF INC
Entity Central Index Key	0000043920
Current Fiscal Year End Date	--10-31
Entity Filer Category	Large Accelerated Filer
Class A Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		25,941,279
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		22,007,725

Condensed Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Net sales	$ 968,300,000	$ 887,400,000	$ 1,874,000,000	$ 1,708,300,000
Cost of products sold	773,000,000	705,500,000	1,507,000,000	1,363,100,000
Gross profit	195,300,000	181,900,000	367,000,000	345,200,000
Selling, general and administrative expenses	102,700,000	97,000,000	206,500,000	193,600,000
Restructuring charges	6,000,000	5,100,000	10,100,000	4,800,000
Non-cash asset impairment charges	400,000	2,000,000	3,300,000	3,900,000
Gain on disposal of properties, plants and equipment, net	(1,500,000)	(1,800,000)	(6,100,000)	(2,800,000)
Gain on disposal of businesses, net	0	(1,900,000)	0	(1,400,000)
Operating profit	87,700,000	81,500,000	153,200,000	147,100,000
Interest expense, net	13,000,000	14,300,000	26,300,000	33,000,000
Pension settlement charge	0	1,100,000	0	24,600,000
Other expense, net	2,500,000	3,200,000	10,200,000	6,800,000
Income before income tax expense and equity earnings of unconsolidated affiliates, net	72,200,000	62,900,000	116,700,000	82,700,000
Income tax expense	21,100,000	23,000,000	5,500,000	34,800,000
Equity earnings of unconsolidated affiliates, net of tax	(800,000)	0	(800,000)	0
Net income	51,900,000	39,900,000	112,000,000	47,900,000
Net income attributable to noncontrolling interests	(6,800,000)	(3,900,000)	(10,400,000)	(6,500,000)
Net income attributable to Greif, Inc.	$ 45,100,000	$ 36,000,000	$ 101,600,000	$ 41,400,000
Class A Common Stock
Basic earnings per share attributable to Greif, Inc. common shareholders:
Basic earnings per share attributable to Greif, Inc. common shareholders (usd per share)	$ 0.77	$ 0.61	$ 1.73	$ 0.71
Diluted earnings per share attributable to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (usd per share)	$ 0.77	$ 0.61	$ 1.73	$ 0.71
Weighted-average number of common shares outstanding:
Weighted-average number of common shares outstanding, basic (shares)	25,934,680	25,824,194	25,890,495	25,805,981
Weighted-average number of common shares outstanding, diluted (shares)	25,934,680	25,828,882	25,890,495	25,810,660
Cash dividends declared per common share:
Cash dividends declared per common share (usd per share)	$ 0.42	$ 0.42	$ 0.84	$ 0.84
Class B Common Stock
Basic earnings per share attributable to Greif, Inc. common shareholders:
Basic earnings per share attributable to Greif, Inc. common shareholders (usd per share)	1.14	0.92	2.58	1.05
Diluted earnings per share attributable to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (usd per share)	$ 1.14	$ 0.92	$ 2.58	$ 1.05
Weighted-average number of common shares outstanding:
Weighted-average number of common shares outstanding, basic (shares)	22,000,000	22,000,000	22,000,000	22,000,000
Weighted-average number of common shares outstanding, diluted (shares)	22,000,000	22,000,000	22,000,000	22,000,000
Cash dividends declared per common share:
Cash dividends declared per common share (usd per share)	$ 0.63	$ 0.63	$ 1.25	$ 1.25

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 51.9	$ 39.9	$ 112.0	$ 47.9
Other comprehensive income (loss), net of tax:
Foreign currency translation	(26.3)	10.4	12.1	1.2
Derivative financial instruments	1.4	0.2	5.3	4.8
Minimum pension liabilities	2.7	1.3	1.8	29.4
Other comprehensive income (loss), net of tax	(22.2)	11.9	19.2	35.4
Comprehensive income	29.7	51.8	131.2	83.3
Comprehensive income attributable to noncontrolling interests	6.8	3.3	10.8	4.2
Comprehensive income attributable to Greif, Inc.	$ 22.9	$ 48.5	$ 120.4	$ 79.1

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Apr. 30, 2018	Oct. 31, 2017
Current assets
Cash and cash equivalents	$ 108.2	$ 142.3
Trade accounts receivable, less allowance of $7.0 in 2018 and $8.9 in 2017	463.4	447.0
Inventories:
Raw materials	246.3	192.1
Work-in-process	11.9	11.5
Finished goods	94.7	75.9
Assets held for sale	2.6	2.2
Prepaid expenses	50.0	35.3
Other current assets	111.5	88.2
Total current assets	1,088.6	994.5
Long-term assets
Goodwill	798.3	785.4
Other intangible assets, net of amortization	90.7	98.0
Deferred tax assets	13.7	10.5
Assets held by special purpose entities	50.9	50.9
Pension asset	12.1	10.3
Other long-term assets	102.6	94.3
Total long term assets, excluding properties, plants and equipment	1,068.3	1,049.4
Properties, plants and equipment
Timber properties, net of depletion	274.2	276.2
Land	100.8	99.5
Buildings	435.9	428.3
Machinery and equipment	1,553.5	1,540.2
Capital projects in progress	104.5	80.2
Properties, plants and equipment, gross	2,468.9	2,424.4
Accumulated depreciation	(1,279.0)	(1,236.0)
Properties, plants and equipment, net	1,189.9	1,188.4
Total assets	3,346.8	3,232.3
Current liabilities
Accounts payable	395.7	399.2
Accrued payroll and employee benefits	95.5	111.8
Restructuring reserves	6.2	5.2
Current portion of long-term debt	15.0	15.0
Short-term borrowings	8.8	14.5
Other current liabilities	145.9	142.2
Total current liabilities	667.1	687.9
Long-term liabilities
Long-term debt	1,020.5	937.8
Deferred tax liabilities	152.2	217.8
Pension liabilities	159.6	159.5
Postretirement benefit obligations	11.7	12.6
Liabilities held by special purpose entities	43.3	43.3
Contingent liabilities and environmental reserves	7.2	7.1
Mandatorily redeemable noncontrolling interests	8.7	9.2
Long-term income tax payable	35.9	0.0
Other long-term liabilities	77.5	78.1
Total long-term liabilities	1,516.6	1,465.4
Commitments and contingencies (Note 12)
Redeemable noncontrolling interests (Note 17)	33.8	31.5
Equity
Common stock, without par value	150.3	144.2
Treasury stock, at cost	(135.4)	(135.6)
Retained earnings	1,410.4	1,360.5
Accumulated other comprehensive income (loss), net of tax:
Foreign currency translation	(237.6)	(249.3)
Derivative financial instruments	11.0	5.1
Minimum pension liabilities	(112.2)	(114.0)
Total Greif, Inc. shareholders' equity	1,086.5	1,010.9
Noncontrolling interests	42.8	36.6
Total shareholders' equity	1,129.3	1,047.5
Total liabilities and shareholders' equity	$ 3,346.8	$ 3,232.3

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Apr. 30, 2018	Oct. 31, 2017
Statement of Financial Position [Abstract]
Allowance of trade accounts receivable	$ 7.0	$ 8.9

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017
Cash flows from operating activities:
Net income	$ 112.0	$ 47.9
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	64.1	61.7
Non-cash asset impairment charges	3.3	3.9
Pension settlement charge	0.0	(24.6)
Gain on disposal of properties, plants and equipment, net	(6.1)	(2.8)
Gain on disposals of businesses, net	0.0	(1.4)
Unrealized foreign exchange loss	2.0	2.1
Deferred income tax benefit	(69.6)	(7.8)
Other, net	0.6	1.1
Increase (decrease) in cash from changes in certain assets and liabilities:
Trade accounts receivable	(15.2)	(36.9)
Inventories	(68.0)	(59.6)
Deferred purchase price on sold receivables	(24.8)	(21.7)
Accounts payable	(2.0)	4.2
Restructuring reserves	0.9	(2.3)
Pension and postretirement benefit liabilities	(3.4)	(1.7)
Other, net	10.7	4.2
Net cash provided by operating activities	4.5	15.5
Cash flows from investing activities:
Purchases of properties, plants and equipment	(56.3)	(39.7)
Purchases of and investments in timber properties	(4.9)	(5.4)
Proceeds from the sale of properties, plants, equipment and other assets	8.5	7.3
Proceeds from the sale of businesses	1.4	0.8
Proceeds from insurance recoveries	0.0	0.4
Net cash used in investing activities	(51.3)	(36.6)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	533.8	888.2
Payments on long-term debt	(463.7)	(954.3)
Payments on short-term borrowings, net	(5.2)	(13.9)
Proceeds from trade accounts receivable credit facility	2.8	203.6
Payments on trade accounts receivable credit facility	(2.8)	(53.6)
Long-term debt and credit facility financing fees paid	0.0	(4.5)
Dividends paid to Greif, Inc. shareholders	(49.3)	(49.2)
Dividends paid to noncontrolling interests	(3.4)	(3.5)
Net cash provided by financing activities	12.2	12.8
Reclassification of cash to assets held for sale	0.0	(5.9)
Effects of exchange rates on cash	0.5	(2.5)
Net decrease in cash and cash equivalents	(34.1)	(16.7)
Cash and cash equivalents at beginning of period	142.3	103.7
Cash and cash equivalents at end of period	$ 108.2	$ 87.0

Basis of Presentation and Summary of Significant Accounting Policies	6 Months Ended
	Apr. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation and Summary of Significant Accounting Policies	BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation The condensed consolidated financial statements have been prepared in accordance with the U.S. Securities and Exchange Commission (“SEC”) instructions to Quarterly Reports on Form 10-Q and include all of the information and disclosures required by accounting principles generally accepted in the United States (“GAAP”) for interim financial reporting. The preparation of financial statements in conformity with GAAP requires management to make certain estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and accompanying notes. Actual amounts could differ from those estimates. The fiscal year of Greif, Inc. and its subsidiaries (the “Company”) begins on November 1 and ends on October 31 of the following year. Any references to the year 2018 or 2017, or to any quarter of those years, relates to the fiscal year or quarter, as the case may be, ended in that year. The information filed herein reflects all adjustments that are, in the opinion of management, necessary for a fair presentation of the condensed consolidated balance sheets as of April 30, 2018 and October 31, 2017, the condensed consolidated statements of income and comprehensive income for the three and six months ended April 30, 2018 and 2017 and the condensed consolidated statements of cash flows for the six months ended April 30, 2018 and 2017 of the Company. The condensed consolidated financial statements include the accounts of Greif, Inc., all wholly-owned and consolidated subsidiaries and investments in limited liability companies, partnerships and joint ventures in which it has controlling influence or is the primary beneficiary. Non-majority owned entities include investments in limited liability companies, partnerships and joint ventures in which the Company does not have controlling influence and are accounted for using either the equity or cost method, as appropriate. The unaudited condensed consolidated financial statements included in the Quarterly Report on Form 10-Q (this “Form 10-Q”) should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for its fiscal year ended October 31, 2017 (the “2017 Form 10-K”). Newly Adopted Accounting Standards In March 2017, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2017-07, "Compensation - Retirement Benefits (Topic 715)," which provides additional guidance in Accounting Standards Codification ("ASC") 715 for the presentation of net periodic benefit cost related to pension and post retirement benefits in the income statement and on the components eligible for capitalization in assets. This ASU requires the reporting of the service cost component to be in the same line item as other compensation costs arising from services rendered by the pertinent employees. Also, the other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations. This update also allows only the service cost component to be eligible for capitalization when applicable. The update is effective for the Company on November 1, 2018 using a retrospective approach for the presentation of the service cost component and the other components of net periodic pension cost and net periodic post-retirement benefit cost in the income statement and prospectively, on and after the effective date, for the capitalization of the service cost component of net periodic pension cost and net periodic post-retirement benefit in assets. The Company early adopted ASU 2017-07 on November 1, 2017 using a retrospective approach for each period presented. The impact of adoption for the three and six months ended April 30, 2018 was $1.8 million and $3.6 million, respectively, of net periodic benefit costs, other than the service cost components, being recorded in the line item other expense, net in the condensed consolidated statements of income. For the three and six month periods ended April 30, 2017, $1.1 million and $24.6 million, respectively, of pension settlement charges previously presented within operating profit has been presented outside of operating profit in the condensed consolidated statement of income due to the retrospective adoption of this ASU. The adoption did not have a material impact on the Company's financial position, results of operations, comprehensive income, cash flows or disclosures other than the impacts discussed above. In August 2017, the FASB issued ASU 2017-12, "Derivatives and Hedging (Topic 815)," which amends the accounting and disclosure requirements in ASC 815, "Derivatives and Hedging." The objective of this ASU is to improve transparency and reduce the complexity of hedge accounting. This ASU eliminates the separate recognition of periodic hedge ineffectiveness for cash flow and net investment hedges. The update is effective for the Company on November 1, 2019 using a modified retrospective approach and early adoption is permitted. The Company early adopted ASU 2017-12 on November 1, 2017 using a modified retrospective approach, which resulted in a reclassification of $0.6 million loss out of accumulated other comprehensive income (loss), net of tax and into retained earnings related to elimination of the cumulative ineffectiveness of cash flow hedges at the adoption date. The adoption did not have a material impact on the Company's financial position, results of operations, comprehensive income, cash flows or disclosures other than the impact discussed above. Recently Issued Accounting Standards In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606),” which supersedes the revenue recognition requirements in ASC 605, Revenue Recognition. This ASU is based on the principle that revenue is recognized to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The ASU also requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract. The update is effective for the Company on November 1, 2018 using one of two retrospective application methods. The Company is in the process of determining the potential impact of adopting the new revenue standards including conducting internal training sessions and reviewing global revenue surveys and key revenue contracts. The Company anticipates that the impact of adoption will be limited to expanded disclosures with no material impact on its financial position, results of operations, comprehensive income or cash flows. In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)," which amends the lease accounting and disclosure requirements in ASC 840, "Leases". The objective of this update is to increase transparency and comparability among organizations recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about lease arrangements. This ASU will require the recognition of lease assets and lease liabilities for those leases classified as operating leases under previous GAAP. The update is effective for the Company on November 1, 2019 using a modified retrospective approach. 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 flows and disclosures. In August of 2016, the FASB issued ASU 2016-15, "Statement of Cash Flows (Topic 230)," which amends the classification of certain cash receipts and cash payments on the statement of cash flows. The update is effective for the Company on November 1, 2018 and early adoption is permitted, including any interim period. The update should be applied using a retrospective approach, excluding amendments for which retrospective application is impractical. 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 flows and disclosures. In October 2016, the FASB issued ASU 2016-16, "Intra-Entity Transfers of Assets Other Than Inventory (Topic 740)," which improves the accounting for income tax consequences of intra-entity transfers of assets other than inventory. The update is effective for the Company on November 1, 2018 using a modified retrospective approach and early adoption is permitted, including any interim period. 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 flows and disclosures.

Acquisitions and Divestitures	6 Months Ended
Acquisitions and Divestitures	Apr. 30, 2018
Business Combinations [Abstract]
Acquisitions and Divestitures	ACQUISITIONS AND DIVESTITURES For the six months ended April 30, 2018, the Company completed no divestitures and no acquisitions. Proceeds from divestitures that were completed in fiscal year 2017 and collected during the six months ended April 30, 2018 were $0.5 million. Proceeds from divestitures that were completed in fiscal year 2015 and collected during the six months ended April 30, 2018 were $0.9 million. The Company has $2.9 million of notes receivable recorded from the sale of businesses. For the six months ended April 30, 2017, the Company completed no material divestitures or acquisitions, deconsolidated two nonstrategic businesses, and liquidated one non-U.S. nonstrategic business. The Company deconsolidated one nonstrategic business in the Flexible Products & Services segment during the first quarter of 2017, and one nonstrategic business in the Rigid Industrial Packaging & Services segment during the second quarter of 2017. The Company liquidated one non-U.S. nonstrategic business in the Rigid Industrial Packaging & Services segment during the second quarter of 2017. The gain on disposal of businesses was $1.4 million for the six months ended April 30, 2017. Proceeds from divestitures completed in fiscal year 2015 and collected during the six months ended April 30, 2017 were $0.8 million.

Sale of Non-United States Accounts Receivable

6 Months Ended

Apr. 30, 2018

Receivables [Abstract]

Sale of Non-United States Accounts Receivable

SALE OF NON-UNITED STATES ACCOUNTS RECEIVABLE

In 2012, Cooperage Receivables Finance B.V. (the “Main SPV”) and Greif Coordination Center BVBA, an indirect wholly owned subsidiary of Greif, Inc. (“Seller”), entered into the Nieuw Amsterdam Receivables Purchase Agreement (the “European RPA”) with affiliates of a major international bank (the “Purchasing Bank Affiliates”). On April 18, 2017, the Main SPV and Seller amended and extended the term of the existing European RPA. Under the European RPA, as amended, the maximum amount of receivables that may be sold and outstanding under the European RPA at any time is €100.0 million ($121.0 million as of April 30, 2018). Under the terms of the European RPA, the Company has the ability to loan excess cash to the Purchasing Bank Affiliates in the form of a subordinated loan receivable.

Under the terms of the European RPA, the Company has agreed to sell trade receivables meeting certain eligibility requirements that the Seller had purchased from other indirect wholly-owned subsidiaries of the Company under a factoring agreement. The structure of the transactions provide for a legal true sale, on a revolving basis, of the receivables transferred from the Company's various subsidiaries to the respective Purchasing Bank Affiliates. The purchaser funds an initial purchase price of a certain percentage of eligible receivables based on a formula, with the initial purchase price approximating 75 percent to 90 percent of eligible receivables. The remaining deferred purchase price is settled upon collection of the receivables. At the balance sheet reporting dates, the Company removes from accounts receivable the amount of proceeds received from the initial purchase price since they meet the applicable criteria of ASC 860, “Transfers and Servicing,” and the Company continues to recognize the deferred purchase price in prepaid expenses and other current assets or other current liabilities. The receivables are sold on a non-recourse basis with the total funds in the servicing collection accounts pledged to the banks between settlement dates.

In October 2007, Greif Singapore Pte. Ltd., an indirect wholly-owned subsidiary of Greif, Inc., entered into the Singapore Receivable Purchase Agreement (the “Singapore RPA”) with a major international bank. The maximum amount of aggregate receivables that may be financed under the Singapore RPA is 15.0 million Singapore Dollars ($11.3 million as of April 30, 2018). Under the terms of the Singapore RPA, the Company has agreed to sell trade receivables in exchange for an initial purchase price of approximately 90 percent of the eligible receivables. The remaining deferred purchase price is settled upon collection of the receivables.

The table below contains certain information related to the Company’s accounts receivable sales programs:



	Three Months Ended April 30,				Six Months Ended April 30,
(in millions)	2018		2017		2018		2017
European RPA
Gross accounts receivable sold to third party financial institution	$	186.4	$	176.5	$	350.3	$	314.1
Cash received for accounts receivable sold under the programs	165.2		156.2		310.8		278.2
Deferred purchase price related to accounts receivable sold	21.2		20.3		39.5		35.9
Loss associated with the programs	0.1		0.1		0.1		0.2
Expenses associated with the programs	—		—		—		—

Singapore RPA
Gross accounts receivable sold to third party financial institution	$	16.3	$	15.1	$	27.1	$	25.0
Cash received for accounts receivable sold under the program	14.0		13.7		22.9		21.7
Deferred purchase price related to accounts receivable sold	2.4		1.3		4.3		3.2
Loss associated with the program	—		—		—		—
Expenses associated with the program	—		—		—		—

Total RPAs and Agreements
Gross accounts receivable sold to third party financial institution	$	202.7	$	191.6	$	377.4	$	339.1
Cash received for accounts receivable sold under the program	179.2		169.9		333.7		299.9
Deferred purchase price related to accounts receivable sold	23.6		21.6		43.8		39.1
Loss associated with the program	0.1		0.1		0.1		0.2
Expenses associated with the program	—		—		—		—

The table below contains certain information related to the Company’s accounts receivable sales programs and the impact it has on the condensed consolidated balance sheets:



(in millions)	April 30, 2018		October 31, 2017
European RPA
Accounts receivable sold to and held by third party financial institution	$	134.9	$	116.3
Deferred purchase price asset (liability) related to accounts receivable sold	19.8		(4.2		)

Singapore RPA
Accounts receivable sold to and held by third party financial institution	$	6.4	$	3.8
Deferred purchase price asset related to accounts receivable sold	0.9		0.5

Total RPAs and Agreements
Accounts receivable sold to and held by third party financial institution	$	141.3	$	120.1
Deferred purchase price asset (liability) related to accounts receivable sold	20.7		(3.7		)

The deferred purchase price related to the accounts receivable sold is reflected as prepaid expenses and other current assets or other current liabilities on the Company’s condensed consolidated balance sheets and was initially recorded at an amount which approximates its fair value due to the short-term nature of these items. The cash received initially and the deferred purchase price relate to the sale or ultimate collection of the underlying receivables and are not subject to significant other risks given their short term nature; therefore, the Company reflects all cash flows under the accounts receivable sales programs as operating cash flows on the Company’s condensed consolidated statements of cash flows.

Additionally, the Company performs collections and administrative functions on the receivables sold, similar to the procedures it uses for collecting all of its receivables, including receivables that are not sold under the European RPA and the Singapore RPA. The servicing liability for these receivables is not material to the condensed consolidated financial statements.

- Definition

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

+ References + Details

Assets and Liabilities Held for Sale and Disposals of Properties, Plants and Equipment, Net	6 Months Ended
	Apr. 30, 2018
Discontinued Operations and Disposal Groups [Abstract]
Assets and Liabilities Held for Sale and Disposals of Properties, Plants and Equipment, Net	ASSETS AND LIABILITIES HELD FOR SALE AND DISPOSALS OF PROPERTIES, PLANTS AND EQUIPMENT, NET As of April 30, 2018, there were three asset groups within the Rigid Industrial Packaging & Services segment classified as assets held for sale and one asset group within the Paper Packaging & Services segment classified as assets held for sale. The assets held for sale are being marketed for sale, and it is the Company’s intention to complete the sales of these assets within twelve months following their initial classification as held for sale. As of October 31, 2017, there were two asset groups in the Rigid Industrial Packaging & Services segment classified as assets and liabilities held for sale. For the three months ended April 30, 2018, the Company recorded a gain on disposal of properties, plants and equipment, net of $1.5 million. This included disposals of assets in the Rigid Industrial Packaging & Services segment that resulted in gains of $1.1 million and special use property sales that resulted in gains of $0.4 million in the Land Management segment. For the six months ended April 30, 2018, the Company recorded a gain on disposal of properties, plants and equipment, net of $6.1 million. This included disposals of assets in the Rigid Industrial Packaging & Services segment that resulted in gains of $4.5 million and special use property sales that resulted in gains of $1.6 million in the Land Management segment. For the three months ended April 30, 2017, the Company recorded a gain on disposal of properties, plants and equipment, net of $1.8 million. This included disposals of assets in the Rigid Industrial Packaging & Services segment that resulted in gains of $0.3 million and special use property sales that resulted in gains of $1.5 million in the Land Management segment. For the six months ended April 30, 2017, the Company recorded a gain on disposal of properties, plants and equipment, net of $2.8 million. This included disposals of assets in the Rigid Industrial Packaging & Services segment that resulted in gains of $0.9 million and special use property sales that resulted in gains of $1.9 million in the Land Management segment.

Goodwill and Other Intangible Assets

6 Months Ended

Apr. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

GOODWILL AND OTHER INTANGIBLE ASSETS

The following table summarizes the changes in the carrying amount of goodwill by segment for the six month period ended April 30, 2018:



(in millions)	Rigid Industrial Packaging & Services		Paper Packaging & Services		Total
Balance at October 31, 2017	$	725.9	$	59.5	$	785.4
Currency translation	12.9		—		12.9
Balance at April 30, 2018	$	738.8	$	59.5	$	798.3

The following table summarizes the carrying amount of net other intangible assets by class as of April 30, 2018 and October 31, 2017:



(in millions)	Gross Intangible Assets		Accumulated Amortization		Net Intangible Assets
April 30, 2018:
Indefinite lived:
Trademarks and patents	$	13.6	$	—	$	13.6
Definite lived:
Customer relationships	$	167.1	$	103.1	$	64.0
Trademarks and patents	11.4		5.1		6.3
Other	24.2		17.4		6.8
Total	$	216.3	$	125.6	$	90.7

October 31, 2017:
Indefinite lived:
Trademarks and patents	$	13.4	$	—	$	13.4
Definite lived:
Customer relationships	$	170.2	$	99.7	$	70.5
Trademarks and patents	11.6		4.9		6.7
Other	23.4		16.0		7.4
Total	$	218.6	$	120.6	$	98.0

Amortization expense for the three months ended April 30, 2018 and 2017 was $3.9 million and $3.1 million, respectively. Amortization expense for the six months ended April 30, 2018 and 2017 was $7.7 million and $6.9 million, respectively. Amortization expense for the next five years is expected to be $15.5 million in 2018, $15.2 million in 2019, $14.6 million in 2020, $12.9 million in 2021 and $8.9 million in 2022.

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, legally determined, or over the period a market participant would benefit from the asset.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

Restructuring Charges

6 Months Ended

Apr. 30, 2018

Restructuring and Related Activities [Abstract]

Restructuring Charges

RESTRUCTURING CHARGES

The following is a reconciliation of the beginning and ending restructuring reserve balances for the six month period ended April 30, 2018:



(in millions)	Employee Separation Costs			Other Costs			Total
Balance at October 31, 2017	$	3.9		$	1.3		$	5.2
Costs incurred and charged to expense	8.3			1.8			10.1
Costs paid or otherwise settled	(6.7		)	(2.4		)	(9.1		)
Balance at April 30, 2018	$	5.5		$	0.7		$	6.2

The focus for restructuring activities in 2018 is to continue to rationalize operations and close underperforming assets in the Rigid Industrial Packaging & Services and Flexible Products & Services segments. During the three months ended April 30, 2018, the Company recorded restructuring charges of $6.0 million, as compared to $5.1 million of restructuring charges recorded during the three months ended April 30, 2017. The restructuring activity for the three months ended April 30, 2018 consisted of $5.5 million in employee separation costs and $0.5 million in other restructuring costs. During the six months ended April 30, 2018, the Company recorded restructuring charges of $10.1 million, which compares to $4.8 million of restructuring charges recorded during the six months ended April 30, 2017. The restructuring activity for the six months ended April 30, 2018 consisted of $8.3 million in employee separation costs and $1.8 million in other restructuring costs.

The following is a reconciliation of the total amounts expected to be incurred from approved restructuring plans or plans that are being formulated and have not been announced as of the date of this Form 10-Q. Remaining amounts expected to be incurred are $15.4 million as of April 30, 2018 compared to $14.9 million as of October 31, 2017. The change was due to the formulations of new plans during the period.



(in millions)	Total Amounts Expected to be Incurred		Amounts Incurred During the six month period ended April 30, 2018		Amounts Remaining to be Incurred
Rigid Industrial Packaging & Services
Employee separation costs	$	19.1	$	8.0	$	11.1
Other restructuring costs	4.8		1.7		3.1
	23.9		9.7		14.2
Flexible Products & Services
Employee separation costs	0.7		0.3		0.4
Other restructuring costs	0.9		0.1		0.8
	1.6		0.4		1.2
	$	25.5	$	10.1	$	15.4

Consolidation of Variable Interest Entities

6 Months Ended

Apr. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Consolidation of Variable Interest Entities

CONSOLIDATION OF VARIABLE INTEREST ENTITIES

The Company evaluates whether an entity is a variable interest entity (“VIE”) whenever reconsideration events occur and performs reassessments of all VIEs quarterly to determine if the primary beneficiary status is appropriate. The Company consolidates VIEs for which it is the primary beneficiary. If the Company is not the primary beneficiary and an ownership interest is held, the VIE is accounted for under the equity or cost methods of accounting, as appropriate. When assessing the determination of the primary beneficiary, the Company considers all relevant facts and circumstances, including: the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance; and the obligation to absorb the expected losses and/or the right to receive the expected returns of the VIE.

Significant Nonstrategic Timberland Transactions

In 2005, the Company sold certain timber properties to Plum Creek Timberlands, L.P. (“Plum Creek”) in a series of transactions that included the creation of two separate legal entities that are now consolidated as separate VIEs. One is an indirect subsidiary of Plum Creek (the “Buyer SPE”), and the other is STA Timber LLC, an indirect wholly owned subsidiary of the Company (“STA Timber”). As of April 30, 2018 and October 31, 2017, consolidated assets of the Buyer SPE consisted of $50.9 million of restricted bank financial instruments which are expected to be held to maturity. For both of the three month periods ended April 30, 2018 and 2017, Buyer SPE recorded interest income of $0.6 million. For both of the six month periods ended April 30, 2018 and 2017, Buyer SPE recorded interest income of $1.2 million.

As of April 30, 2018 and October 31, 2017, STA Timber had consolidated long-term debt of $43.3 million. For both of the three month periods ended April 30, 2018 and 2017, STA Timber recorded interest expense of $0.6 million. For both of the six month periods ended April 30, 2018 and 2017, STA Timber recorded interest expense of $1.2 million. The intercompany borrowing arrangement between the two VIEs is eliminated in consolidation. STA Timber is exposed to credit-related losses in the event of nonperformance by an issuer of a deed of guarantee in the transaction.

Flexible Packaging Joint Venture

In 2010, Greif, Inc. and one of its indirect subsidiaries formed a joint venture (referred to herein as the “Flexible Packaging JV” or “FPS VIE”) with Dabbagh Group Holding Company Limited and one of its subsidiaries, originally National Scientific Company Limited and now Gulf Refined Packaging for Industrial Packaging Company LTD. The Flexible Packaging JV owns the operations in the Flexible Products & Services segment. The Flexible Packaging JV has been consolidated into the operations of the Company as of its formation date in 2010.

The Flexible Packaging JV is deemed to be a VIE since the total equity investment at risk is not sufficient to permit the legal entity to finance its activities without additional subordinated financial support. The major factors that led to the conclusion that the Company was the primary beneficiary of this VIE was that (1) the Company has the power to direct the most significant activities due to its ability to direct the operating decisions of the FPS VIE, which power is derived from the significant CEO discretion over the operations of the FPS VIE combined with the Company’s sole and exclusive right to appoint the CEO of the FPS VIE, and (2) the significant variable interest through the Company’s equity interest in the FPS VIE.

All entities contributed to the Flexible Packaging JV were existing businesses acquired by one of the Company's indirect subsidiaries that were reorganized under Greif Flexibles Asset Holding B.V. and Greif Flexibles Trading Holding B.V.

The following table presents the Flexible Packaging JV total net assets:



(in millions)	April 30, 2018		October 31, 2017
Cash and cash equivalents	$	22.8	$	14.4
Trade accounts receivable, less allowance of $1.0 in 2018 and $2.2 in 2017	56.8		52.5
Inventories	59.9		53.3
Properties, plants and equipment, net	30.2		31.2
Other assets	27.2		25.8
Total Assets	$	196.9	$	177.2

Accounts payable	$	34.0	$	33.8
Other liabilities	24.9		30.2
Total Liabilities	$	58.9	$	64.0

Net income attributable to the noncontrolling interest in the Flexible Packaging JV for the three months ended April 30, 2018 and 2017 was $4.4 million and $1.2 million, respectively; and for the six months ended April 30, 2018 and 2017, net income attributable to the noncontrolling interest was $5.5 million and $1.8 million, respectively.

Non-United States Accounts Receivable VIE

As further described in Note 3, Cooperage Receivables Finance B.V. is a party to the European RPA. Cooperage Receivables Finance B.V. is deemed to be a VIE since this entity is not able to satisfy its liabilities without the financial support from the Company. While this entity is a separate and distinct legal entity from the Company and no ownership interest in this entity is held by the Company, the Company is the primary beneficiary because it has (1) the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance, and (2) the obligation to absorb losses of the VIE that could potentially be significant to the VIE. As a result, Cooperage Receivables Finance B.V. has been consolidated into the operations of the Company.

Long-Term Debt

6 Months Ended

Apr. 30, 2018

Debt Disclosure [Abstract]

Long-Term Debt

LONG-TERM DEBT

Long-term debt is summarized as follows:



(in millions)	April 30, 2018		October 31, 2017
2017 Credit Agreement- Term Loan	$	281.3	$	288.8
Senior Notes due 2019	248.5		248.0
Senior Notes due 2021	240.9		230.9
Receivables Facility	150.0		150.0
2017 Credit Agreement- Revolving Credit Facility	114.9		35.0
Other debt	5.4		6.5
	1,041.0		959.2
Less current portion	15.0		15.0
Less deferred financing costs	5.5		6.4
Long-term debt	$	1,020.5	$	937.8

2017 Credit Agreement

On November 3, 2016, the Company and certain of its international subsidiaries entered into a new senior secured credit agreement (the “2017 Credit Agreement”) with a syndicate of financial institutions. The 2017 Credit Agreement replaced in its entirety the $1.0 billion senior secured credit agreement entered into by the Company and two of its international subsidiaries in 2012 with a syndicate of financial institutions. The total available borrowing under the 2017 Credit Agreement was $670.7 million as of April 30, 2018, which has been reduced by $14.4 million for outstanding letters of credit, all of which was then available without violating covenants.

The 2017 Credit Agreement provides for an $800.0 million revolving multicurrency credit facility expiring November 3, 2021, and a $300.0 million term loan, with quarterly principal installments that commenced on April 30, 2017, through maturity on November 3, 2021, both with an option to add an aggregate of $550.0 million to the facilities with the agreement of the lenders. The Company used the term loan on February 1, 2017, to repay the principal of the Company’s $300.0 million 6.75% Senior Notes that matured on that date. The revolving credit facility is available to fund ongoing working capital and capital expenditure needs, for general corporate purposes, and to finance acquisitions. Interest is based on either a Eurodollar rate or a base rate that resets periodically plus a calculated margin amount. The financing costs associated with the 2017 Credit Agreement totaled $4.9 million as of April 30, 2018, and are recorded as a direct deduction from the long-term debt liability.

The 2017 Credit Agreement contains certain covenants, which include financial covenants that require the Company to maintain a certain leverage ratio and an interest coverage ratio. The leverage ratio generally requires that at the end of any fiscal quarter the Company will not permit the ratio of (a) its total consolidated indebtedness, to (b) the Company's net income plus depreciation, depletion, and amortization, interest expense (including capitalized interest), and income taxes, minus certain extraordinary gains and non-recurring gains (or plus certain extraordinary losses and non-recurring losses) and plus or minus certain other items for the preceding twelve months ("adjusted EBITDA") to be greater than 4.00 to 1.00 (or 3.75 to 1.00, during any collateral release period). The interest coverage ratio generally requires that at the end of any fiscal quarter the Company will not permit the ratio of (a) adjusted EBITDA, to (b) the consolidated interest expense to the extent paid or payable, to be less than 3.00 to 1.00, during the applicable preceding twelve month period.

As of April 30, 2018, $396.2 million was outstanding under the 2017 Credit Agreement. The current portion of the 2017 Credit Agreement was $15.0 million and the long-term portion was $381.2 million. The weighted average interest rate for borrowings under the 2017 Credit Agreement was 2.82% for the six months ended April 30, 2018. The actual interest rate for borrowings under the 2017 Credit Agreement was 3.11% as of April 30, 2018.

Senior Notes due 2019

On July 28, 2009, the Company issued $250.0 million of 7.75% Senior Notes due August 1, 2019. Interest on these Senior Notes is payable semi-annually. The financing costs associated with the Senior Notes due 2019 totaled $0.6 million as of April 30, 2018, and are recorded as a direct deduction from the long-term liability.

Senior Notes due 2021

On July 15, 2011, Greif, Inc.’s wholly-owned subsidiary, Greif Nevada Holdings, Inc., S.C.S. issued €200.0 million of 7.375% Senior Notes due July 15, 2021. These Senior Notes are fully and unconditionally guaranteed on a senior basis by Greif, Inc. Interest on these Senior Notes is payable semi-annually.

United States Trade Accounts Receivable Credit Facility

On September 27, 2017, the Company amended and restated its existing receivables facility in the United States which matured in September of 2017 to establish a $150.0 million United States Trade Accounts Receivable Credit Facility (the "Receivables Facility") with a financial institution. The Receivables Facility matures on September 26, 2018. The $150.0 million outstanding balance as of April 30, 2018 is reported in long-term debt in the condensed consolidated balance sheets because the Company intends to refinance the obligation on a long-term basis and has the intent and ability to consummate a long-term refinancing.

Financial Instruments and Fair Value Measurements

6 Months Ended

Apr. 30, 2018

Fair Value Disclosures [Abstract]

Financial Instruments and Fair Value Measurements

FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS

Recurring Fair Value Measurements

The following table presents the fair value for those assets and (liabilities) measured on a recurring basis as of April 30, 2018 and October 31, 2017:



	April 30, 2018
	Fair Value Measurement
(in millions)	Level 1		Level 2			Level 3		Total			Balance Sheet Location
Interest rate derivatives	$	—	$	16.0		$	—	$	16.0		Other long-term assets and other current assets
Foreign exchange hedges	—		0.4			—		0.4			Other current assets
Foreign exchange hedges	—		(1.4		)	—		(1.4		)	Other current liabilities
Insurance annuity	—		—			21.5		21.5			Other long-term assets
Cross currency swap	—		(1.9		)	—		(1.9		)	Other long-term liabilities
Cross currency swap	—		2.0			—		2.0			Other current assets
Total	$	—	$	15.1		$	21.5	$	36.6



	October 31, 2017
	Fair Value Measurement
(in millions)	Level 1		Level 2			Level 3		Total			Balance Sheet Location
Interest rate derivatives	$	—	$	8.9		$	—	$	8.9		Other long-term assets and other current assets
Foreign exchange hedges	—		0.1			—		0.1			Other current assets
Foreign exchange hedges	—		(0.6		)	—		(0.6		)	Other current liabilities
Insurance annuity	—		—			20.7		20.7			Other long-term assets
Total	$	—	$	8.4		$	20.7	$	29.1

The carrying amounts of cash and cash equivalents, trade accounts receivable, accounts payable, current liabilities and short-term borrowings as of April 30, 2018 and October 31, 2017 approximate their fair values because of the short-term nature of these items and are not included in this table.

Interest Rate Derivatives

The Company has various borrowing facilities which charge interest based on the one month U.S. dollar LIBOR rate plus an interest spread. During the first quarter of 2017, the Company entered into a forward interest rate swap with a notional amount of $300.0 million. As of February 1, 2017, the Company began to receive variable rate interest payments based upon one month U.S. dollar LIBOR and in return was obligated to pay interest at a fixed rate of 1.194%. This effectively converted the borrowing rate on $300.0 million of debt from a variable rate to a fixed rate. This derivative is designated as a cash flow hedge for accounting purposes. Accordingly, the gain or loss on this derivative instrument is 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. For additional disclosures of the gain or loss included within other comprehensive income, see also Note 15 to the interim condensed consolidated financial statements. The assumptions used in measuring fair value of the interest rate derivative are considered level 2 inputs, which are based upon LIBOR and interest paid based upon a designated fixed rate over the life of the swap agreements.

Gains reclassified to earnings under these contracts were $0.4 million for the three months ended April 30, 2018, and losses reclassified to earnings under these contracts were $0.3 million for the three months ended April 30, 2017. Gains reclassified to earnings under these contracts were $0.5 million for the six months ended April 30, 2018, and losses reclassified to earnings under these contracts were $0.3 million for the six months ended April 30, 2017. A derivative gain of $3.2 million, based upon interest rates at April 30, 2018, is expected to be reclassified from other comprehensive income (loss) to earnings in the next twelve months.

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 April 30, 2018, the Company had outstanding foreign currency forward contracts in the notional amount of $119.8 million ($80.1 million as of October 31, 2017). 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 losses recorded in other expense, net under fair value contracts were $1.6 million and $0.3 million for the three months ended April 30, 2018 and 2017, respectively. Realized losses recorded in other expense, net under fair value contracts were $2.1 million and $1.5 million for the six months ended April 30, 2018 and 2017, respectively. The Company recognized in other expense, net an unrealized net gain of $2.0 million and zero during the three months ended April 30, 2018 and 2017, respectively. The Company recognized in other expense, net an unrealized net loss of $1.1 million and $1.5 million during the six months ended April 30, 2018 and 2017, respectively.

Cross Currency Swap

The Company has operations and investments in various international locations and is subject to risks associated with changing foreign exchange rates. On March 6, 2018, the Company entered into a cross currency interest rate swap agreement that synthetically swaps $100.0 million of fixed rate debt to Euro denominated fixed rate debt at a rate of 2.352%. The agreement is designated as a net investment hedge for accounting purposes and will mature on March 6, 2023. Accordingly, the gain or loss on this derivative instrument is included in the foreign currency translation component of other comprehensive income until the net investment is sold, diluted, or liquidated. Coupons received for the cross currency swap are excluded from the net investment hedge effectiveness assessment and are recorded in interest expense, net on the condensed consolidated statements of income. For the three and six months ended April 30, 2018, gains recorded in interest expense, net under the cross currency swap agreement were $0.4 million. For additional disclosure of the gain or loss included within other comprehensive income, see also Note 15 to the interim condensed consolidated financial statements. 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.

Other Financial Instruments

The fair values of the Company’s 2017 Credit Agreement and the Receivables Facility 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 Topic 820, "Fair Value Measurements and Disclosures."

The following table presents the estimated fair values of the Company’s senior notes:



(in millions)	April 30, 2018		October 31, 2017
Senior Notes due 2019 estimated fair value	$	262.2	$	272.0
Senior Notes due 2021 estimated fair value	287.4		281.0
Assets held by special purpose entities estimated fair value	51.3		52.5

Non-Recurring Fair Value Measurements

The following table presents quantitative information about the significant unobservable inputs used to determine the fair value of the impairment of long-lived assets held and used and net assets held for sale for the six months ended April 30, 2018 and 2017:



	Quantitative Information about Level 3 Fair Value Measurements
(in millions)	Fair Value of Impairment		Valuation Technique	Unobservable Input	Range of Input Values
April 30, 2018
Impairment of Net Assets Held for Sale	$	0.4	Discounted Cash Flows	Discounted Cash Flows	N/A
Impairment of Long Lived Assets	2.9		Discounted Cash Flows	Discounted Cash Flows	N/A
Total	$	3.3

April 30, 2017
Impairment of Net Assets Held for Sale	$	3.6	Broker Quote/ Indicative Bids	Indicative Bids	N/A
Impairment of Long Lived Assets	0.3		Sales Value	Sales Value	N/A
Total	$	3.9

Long-Lived Assets

The Company recognized asset impairment charges of $3.3 million during the six months ended April 30, 2018 and $3.9 million for the six months ended April 30, 2017. As a result of the Company measuring long-lived assets at fair value on a non-recurring basis, during the six months ended April 30, 2018, the Company recorded impairment charges related to properties, plants and equipment, net, of $1.9 million and charges related to intangible assets of $1.4 million in the Rigid Industrial Packaging & Services segment.

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.

Assets and Liabilities Held for Sale

During the six month period ended April 30, 2018, one asset group was reclassified to assets and liabilities held for sale, resulting in a $0.4 million impairment to net realizable value. During the six month period ended April 30, 2017, one asset group was reclassified to assets and liabilities held for sale, resulting in $3.6 million impairment to net realizable value.

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.

Income Taxes	6 Months Ended
Income Taxes	Apr. 30, 2018
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES Income tax expense for the quarter was computed in accordance with ASC 740-270 "Income Taxes - Interim Reporting". Under this method, losses from jurisdictions for which a valuation allowance have been provided have not been included in the amount to which the ASC 740-270 rate was applied. Income tax expense of the Company fluctuates primarily due to changes in losses and income from jurisdictions for which a valuation allowance has been provided and the impact of discrete items in the respective quarter. The income tax expense for the six months ended April 30, 2018, was $5.5 million; whereas, the income tax expense for the six months ended April 30, 2017, was $34.8 million. On December 22, 2017, the President of the United States signed into law the Tax Cuts and Jobs Act of 2017 (the “Tax Reform Act”). The legislation significantly changed U.S. tax law by, among other things, lowering the corporate income tax rate from 35% to 21%, effective January 1, 2018, allowing for the acceleration of expensing for certain business assets, requiring companies to pay a one-time transition tax on certain un-remitted earnings of foreign subsidiaries, and eliminating U.S. federal income tax on dividends from foreign subsidiaries. The rate change was administratively effective as of the beginning of the Company's fiscal 2018 year, which has resulted in the Company using a blended statutory rate for the annual period of 23.33%. The SEC staff issued Staff Accounting Bulletin No. 118 (“SAB 118”) to address the application of U.S. GAAP in situations when a registrant does not have the necessary information available, prepared, or analyzed (including computations) in reasonable detail to complete the accounting for certain income tax effects of the Tax Reform Act. During the quarter ended April 30, 2018, the Company further refined the provisional benefit related to the revaluation of deferred tax assets & liabilities from a benefit of $65.0 million to a benefit of $69.3 million. As a result, the Company recognized a net benefit of $4.3 million, related to the Tax Reform Act, in its consolidated financial statements for the quarter ended April 30, 2018. The final impact may differ from these provisional amounts, possibly materially, due to, among other things, additional analyses, changes in interpretations and assumptions the Company has made, additional regulatory guidance that may be issued, and actions the Company may take as a result of the Tax Reform Act..

Post Retirement Benefit Plans

6 Months Ended

Apr. 30, 2018

Postemployment Benefits [Abstract]

Post Retirement Benefit Plans

POST RETIREMENT BENEFIT PLANS

The components of net periodic pension cost include the following:



	Three Months Ended April 30,						Six Months Ended April 30,
(in millions)	2018			2017			2018			2017
Service cost	$	3.3		$	3.3		$	6.6		$	6.6
Interest cost	4.6			4.6			9.2			9.2
Expected return on plan assets	(6.1		)	(7.1		)	(12.2		)	(14.2		)
Amortization of prior service cost and net actuarial gain	3.6			2.8			7.2			5.6
Net periodic pension costs	$	5.4		$	3.6		$	10.8		$	7.2

The Company made $13.5 million and $5.1 million in pension contributions in the six months ended April 30, 2018 and 2017, respectively.

The components of net periodic cost for post-retirement benefits include the following:



	Three Months Ended April 30,						Six Months Ended April 30,
(in millions)	2018			2017			2018			2017
Interest cost	$	0.1		$	0.1		$	0.2		$	0.2
Amortization of prior service cost and net actuarial gain	(0.4		)	(0.4		)	(0.8		)	(0.7		)
Net periodic benefit for post-retirement benefits	$	(0.3	)	$	(0.3	)	$	(0.6	)	$	(0.5	)

The components of net periodic pension cost and net periodic cost for post-retirement benefits, other than the service cost components, are included in the line item "Other expense, net" in the condensed consolidated statements of income.

During the six months ended April 30, 2017, in the United States, an annuity contract for approximately $49.2 million was purchased with defined benefit plan assets, and the pension obligation for certain retirees in the United States under that plan was irrevocably transferred from that plan to the annuity contract. Additionally, lump sum payments totaling $38.9 million were made from the defined benefit plan assets to certain participants who agreed to such payments, representing the current fair value of the participant’s respective pension benefit. The settlement items described above resulted in a decrease in the fair value of plan assets and the projected benefit obligation of $88.1 million and a non-cash pension settlement charge of $24.6 million of unrecognized net actuarial loss included in accumulated other comprehensive loss.

Contingent Liabilities and Environmental Reserves	6 Months Ended
Contingent Liabilities and Environmental Reserves	Apr. 30, 2018
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 condensed 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. The Company is currently involved in legal proceedings outside of the United States related to various wrongful termination lawsuits filed by former employees and benefit claims filed by some existing employees of our Flexible Products & Services segment. The lawsuits include claims for severance for employment periods prior to the Company’s ownership in the business. As of April 30, 2018 and October 31, 2017, the estimated liability recorded related to these matters were $3.0 million and $5.7 million, respectively. The estimated liability has been determined based on the number of active cases and the settlements and rulings on previous cases. It is reasonably possible the estimated liability could increase if additional cases are filed or adverse rulings are made. During 2017, three reconditioning facilities in the Milwaukee, Wisconsin area that are owned by Container Life Cycle Management LLC (“CLCM”), the Company’s U.S. reconditioning joint venture company, have been subject to investigations conducted by federal, state and local governmental agencies concerning, among other matters, potential violations of environmental laws and regulations. As a result of these investigations, the United States Environmental Protection Agency (“U.S. EPA”) and the Wisconsin Department of Natural Resources (“WDNR”) have issued notices of violations to the Company and CLCM regarding violations of certain federal and state environmental laws and regulations. The remedies being sought in these proceedings include compliance with the applicable environmental laws and regulations as being interpreted by the U.S. EPA and WDNR and monetary sanctions. The Company has cooperated with the governmental agencies in these investigations and proceedings. As of June 7, 2018, no material citations have been issued or fines assessed with respect to any of these proceedings. The Company is unable to predict the outcome of these proceedings or estimate a range of reasonable possible monetary sanctions or costs associated with any remedial actions that may be required or requested by the U.S. EPA or WDNR. In addition, on November 8, 2017, the Company, CLCM and other parties were named as defendants in a punitive class action lawsuit filed in Wisconsin state court concerning one of CLCM’s Milwaukee reconditioning facilities. The plaintiffs are alleging that odors from this facility have invaded their property and are interfering with the use and enjoyment of their property and causing damage to the value of their property. Plaintiffs are seeking compensatory and punitive damages, along with their legal fees. The Company and CLCM are vigorously defending themselves in this lawsuit. The lawsuit is at the discovery stage. The Company is unable to predict the outcome of this lawsuit or estimate a range of reasonably possible losses. Environmental Reserves As of April 30, 2018 and October 31, 2017, environmental reserves were $7.2 million and $7.1 million, respectively, and were recorded on an undiscounted basis. 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. For sites that involve formal actions subject to joint and several liabilities, these actions have formal agreements in place to apportion the liability. As of April 30, 2018 and October 31, 2017, environmental reserves of the Company included $4.3 million for various European drum facilities acquired from Blagden and Van Leer; $0.2 million and $0.3 million, respectively, for its various container life cycle management and recycling facilities; $1.0 million and $1.1 million, respectively, for remediation of sites no longer owned by the Company; and $1.7 million and $1.4 million, respectively, for various other facilities around the world. The Company’s exposure to adverse developments with respect to any individual site is not expected to be material. Although environmental remediation could have a material effect on results of operations if a series of adverse developments occur in a particular quarter or year, the Company believes that the chance of a series of adverse developments occurring in the same quarter or year is remote. Future information and developments will require the Company to continually reassess the expected impact of these environmental matters.

Earnings Per Share

6 Months Ended

Apr. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Share

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 articles 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:



	Three Months Ended April 30,						Six Months Ended April 30,
(in millions)	2018			2017			2018			2017
Numerator for basic and diluted EPS
Net income attributable to Greif, Inc.	$	45.1		$	36.0		$	101.6		$	41.4
Cash dividends	(24.8		)	(24.7		)	(49.3		)	(49.2		)
Undistributed net income (loss) attributable to Greif, Inc.	$	20.3		$	11.3		$	52.3		$	(7.8	)

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 April 30, 2018, the remaining amount of shares that may be repurchased under this authorization was 4,703,487. During 2017, the Stock Repurchase Committee authorized and the Company executed the repurchase of 2,000 shares of Class B Common Stock. There have been no other shares repurchased under this program from November 1, 2016 through April 30, 2018.

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



	Authorized Shares	Issued Shares	Outstanding Shares	Treasury Shares
April 30, 2018
Class A Common Stock	128,000,000	42,281,920	25,941,279	16,340,641
Class B Common Stock	69,120,000	34,560,000	22,007,725	12,552,275

October 31, 2017
Class A Common Stock	128,000,000	42,281,920	25,835,281	16,446,639
Class B Common Stock	69,120,000	34,560,000	22,007,725	12,552,275

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



	Three Months Ended April 30,		Six Months Ended April 30,
	2018	2017	2018	2017
Class A Common Stock:
Basic shares	25,934,680	25,824,194	25,890,495	25,805,981
Assumed conversion of restricted shares	—	4,688	—	4,679
Diluted shares	25,934,680	25,828,882	25,890,495	25,810,660
Class B Common Stock:
Basic and diluted shares	22,007,725	22,009,725	22,007,725	22,009,725

Equity Earnings of Unconsolidated Affiliates, Net of Tax and Net Income Attributable to Noncontrolling Interests	6 Months Ended
	Apr. 30, 2018
Equity Method Investments and Joint Ventures [Abstract]
Equity Earnings of Unconsolidated Affiliates, Net of Tax and Net Income Attributable to Noncontrolling Interests	EQUITY EARNINGS OF UNCONSOLIDATED AFFILIATES, NET OF TAX AND NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS Equity earnings of unconsolidated affiliates, net of tax Equity earnings of unconsolidated affiliates, net of tax, were $0.8 million for the three and six months ended April 30, 2018. Equity earnings of unconsolidated affiliates, net of tax, were zero for the three and six months ended April 30, 2017. There were no dividends received from the Company's equity method affiliates for the three and six months ended April 30, 2018 and 2017. Net income attributable to noncontrolling interests Net income attributable to noncontrolling interests represent the portion of earnings from the operations of the Company’s consolidated subsidiaries attributable to unrelated third party equity owners that were deducted from net income to arrive at net income attributable to the Company. Net income attributable to noncontrolling interests for the three months ended April 30, 2018 and 2017 was $6.8 million and $3.9 million, respectively. Net income attributable to noncontrolling interests for the six months ended April 30, 2018 and 2017 was $10.4 million and $6.5 million, respectively.

Equity and Comprehensive Income (Loss)

6 Months Ended

Apr. 30, 2018

Equity [Abstract]

Equity and Comprehensive Income (Loss)

EQUITY AND COMPREHENSIVE INCOME (LOSS)

The following table summarizes the changes of equity from October 31, 2017 to April 30, 2018 (Dollars in millions, shares in thousands):



	Capital Stock			Treasury Stock					Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Greif, Inc. Equity			Non controlling interests			Total Equity
	Common Shares	Amount		Treasury Shares		Amount
As of October 31, 2017	47,843	$	144.2	28,999		$	(135.6	)	$	1,360.5		$	(358.2	)	$	1,010.9		$	36.6		$	1,047.5
Net income									101.6						101.6			10.4			112.0
Other comprehensive income (loss):
- foreign currency translation												11.7			11.7			0.4			12.1
- derivative financial instruments, net of income tax expense of $1.8 million									(0.6		)	5.9			5.3						5.3
- minimum pension liability adjustment, net of immaterial income tax												1.8			1.8						1.8
Comprehensive income															120.4						131.2
Current period mark to redemption value of redeemable noncontrolling interest									(1.8		)				(1.8		)				(1.8		)
Net income allocated to redeemable noncontrolling interests															—			(1.9		)	(1.9		)
Dividends paid to Greif, Inc. shareholders									(49.3		)				(49.3		)				(49.3		)
Dividends paid to noncontrolling interests															—			(2.7		)	(2.7		)
Restricted stock directors	21	1.0		(21	)	—									1.0						1.0
Long-term incentive shares issued	85	5.1		(85	)	0.2									5.3						5.3
As of April 30, 2018	47,949	$	150.3	28,893		$	(135.4	)	$	1,410.4		$	(338.8	)	$	1,086.5		$	42.8		$	1,129.3

The following table summarizes the changes of equity from October 31, 2016 to April 30, 2017 (Dollars in millions, shares in thousands):



	Capital Stock			Treasury Stock					Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Greif, Inc. Equity			Non controlling interests			Total Equity
	Common Shares	Amount		Treasury Shares		Amount
As of October 31, 2016	47,792	$	141.4	29,050		$	(135.6	)	$	1,340.0		$	(398.4	)	$	947.4		$	10.5		$	957.9
Net income									41.4						41.4			6.5			47.9
Other comprehensive income (loss):
- foreign currency translation												3.5			3.5			(2.3		)	1.2
- interest rate derivative, net of income tax expense of $2.9 million												4.8			4.8						4.8
- change in minimum pension liability adjustment from remeasurement, settlement, and amortization, net of income tax of $17.5 million												29.4			29.4						29.4
Comprehensive income															79.1						83.3
Net income allocated to redeemable noncontrolling interests															—			(2.2		)	(2.2		)
Deconsolidation of noncontrolling interest															—			(2.6		)	(2.6		)
Dividends paid to Greif, Inc. shareholders									(49.2		)				(49.2		)				(49.2		)
Dividends paid to noncontrolling interests																		(3.1		)	(3.1		)
Long-term incentive shares issued	49	2.6		(49	)	0.1									2.7						2.7
As of April 30, 2017	47,841	$	144.0	29,001		$	(135.5	)	$	1,332.2		$	(360.7	)	$	980.0		$	6.8		$	986.8

The following table provides the rollforward of accumulated other comprehensive income (loss) for the six months ended April 30, 2018:



(in millions)	Foreign Currency Translation			Interest Rate Derivative		Minimum Pension Liability Adjustment			Accumulated Other Comprehensive Income (Loss)
Balance as of October 31, 2017	$	(249.3	)	$	5.1	$	(114.0	)	$	(358.2	)
Other Comprehensive Income	11.7			5.9		1.8			19.4
Current-period Other Comprehensive Income	11.7			5.9		1.8			19.4
Balance as of April 30, 2018	$	(237.6	)	$	11.0	$	(112.2	)	$	(338.8	)

The following table provides the rollforward of accumulated other comprehensive income (loss) for the six months ended April 30, 2017:



(in millions)	Foreign Currency Translation			Interest Rate Derivative		Minimum Pension Liability Adjustment			Accumulated Other Comprehensive Income (Loss)
Balance as of October 31, 2016	$	(270.2	)	$	—	$	(128.2	)	$	(398.4	)
Other Comprehensive Income	3.5			4.8		29.4			37.7
Current-period Other Comprehensive Income	3.5			4.8		29.4			37.7
Balance as of April 30, 2017	$	(266.7	)	$	4.8	$	(98.8	)	$	(360.7	)

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

Business Segment Information

6 Months Ended

Apr. 30, 2018

Segment Reporting [Abstract]

Business Segment Information

BUSINESS SEGMENT INFORMATION

The Company has eight operating segments, which are aggregated into four reportable business segments: Rigid Industrial Packaging & Services; Paper Packaging & Services; Flexible Products & Services; and Land Management.

The Company’s reportable business segments offer different products and services. The accounting policies of the reportable business segments are substantially the same as those described in the “Basis of Presentation and Summary of Significant Accounting Policies” note in the 2017 Form 10-K. The measure of segment profitability that is used by the Company is operating profit.

The following segment information is presented for the periods indicated:



	Three Months Ended April 30,				Six Months Ended April 30,
(in millions)	2018		2017		2018		2017
Net sales:
Rigid Industrial Packaging & Services	$	662.7	$	624.3	$	1,278.1	$	1,185.8
Paper Packaging & Services	213.9		188.7		417.7		371.6
Flexible Products & Services	84.1		66.6		164.1		136.3
Land Management	7.6		7.8		14.1		14.6
Total net sales	$	968.3	$	887.4	$	1,874.0	$	1,708.3

Operating profit:
Rigid Industrial Packaging & Services	$	47.2	$	56.1	$	78.4	$	98.9
Paper Packaging & Services	33.0		20.3		60.9		40.3
Flexible Products & Services	5.0		1.8		8.2		2.4
Land Management	2.5		3.3		5.7		5.5
Total operating profit	$	87.7	$	81.5	$	153.2	$	147.1

Depreciation, depletion and amortization expense:
Rigid Industrial Packaging & Services	$	21.1	$	20.5	$	41.7	$	39.9
Paper Packaging & Services	8.4		7.6		16.7		15.9
Flexible Products & Services	1.8		1.5		3.6		3.4
Land Management	1.1		1.4		2.1		2.5
Total depreciation, depletion and amortization expense	$	32.4	$	31.0	$	64.1	$	61.7

The following table presents net sales to external customers by geographic area:



	Three Months Ended April 30,				Six Months Ended April 30,
(in millions)	2018		2017		2018		2017
Net sales:
United States	$	463.5	$	434.5	$	896.2	$	842.5
Europe, Middle East and Africa	370.7		325.5		702.0		611.4
Asia Pacific and other Americas	134.1		127.4		275.8		254.4
Total net sales	$	968.3	$	887.4	$	1,874.0	$	1,708.3

The following table presents total assets by segment and total properties, plants and equipment, net by geographic area:



(in millions)	April 30, 2018		October 31, 2017
Assets:
Rigid Industrial Packaging & Services	$	2,083.0	$	1,976.7
Paper Packaging & Services	478.2		459.8
Flexible Products & Services	174.2		163.2
Land Management	346.6		345.4
Total segments	3,082.0		2,945.1
Corporate and other	264.8		287.2
Total assets	$	3,346.8	$	3,232.3

Properties, plants and equipment, net:
United States	$	736.6	$	730.1
Europe, Middle East and Africa	321.5		322.0
Asia Pacific and other Americas	131.8		136.3
Total properties, plants and equipment, net	$	1,189.9	$	1,188.4

Redeemable Noncontrolling Interests

6 Months Ended

Apr. 30, 2018

Noncontrolling Interest [Abstract]

Redeemable Noncontrolling Interests

REDEEMABLE NONCONTROLLING INTERESTS

Mandatorily Redeemable Noncontrolling Interests

The terms of the joint venture agreement for one joint venture within the Rigid Industrial Packaging & Services segment include mandatory redemption by the Company, in cash, of the noncontrolling interest holders’ equity at a formulaic price after the expiration of a lockout period specific to each noncontrolling interest holder. The redemption features cause the interest to be classified as a mandatorily redeemable instrument under the accounting guidance, and this interest is included at the current redemption value each period in long-term or short-term liabilities of the Company, as applicable. The impact of marking to redemption value at each period end is recorded in interest expense. The Company has a contractual obligation to redeem the outstanding equity interest of each remaining partner in 2021 and 2022, respectively.

The following table summarizes the change in mandatorily redeemable noncontrolling interest for the six months ended April 30, 2018:



(in millions)	Mandatorily Redeemable Noncontrolling Interest
Balance as of October 31, 2017	$	9.2
Current period mark to redemption value	(0.5		)
Balance as of April 30, 2018	$	8.7

Redeemable Noncontrolling Interests

Redeemable noncontrolling interests related to one joint venture within the Paper Packaging & Services segment and one joint venture within the Rigid Industrial Packaging & Services segment 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, the 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.

Redeemable noncontrolling interests are reflected in the condensed consolidated balance sheets at redemption value. The following table summarizes the change in redeemable noncontrolling interest for the six months ended April 30, 2018:



(in millions)	Redeemable Noncontrolling Interest
Balance as of October 31, 2017	$	31.5
Current period mark to redemption value	1.8
Redeemable noncontrolling interest share of income and other	1.9
Dividends to redeemable noncontrolling interest and other	(1.4		)
Balance as of April 30, 2018	$	33.8

Basis of Presentation and Summary of Significant Accounting Policies (Policies)	6 Months Ended
	Apr. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The condensed consolidated financial statements have been prepared in accordance with the U.S. Securities and Exchange Commission (“SEC”) instructions to Quarterly Reports on Form 10-Q and include all of the information and disclosures required by accounting principles generally accepted in the United States (“GAAP”) for interim financial reporting. The preparation of financial statements in conformity with GAAP requires management to make certain estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and accompanying notes. Actual amounts could differ from those estimates. The fiscal year of Greif, Inc. and its subsidiaries (the “Company”) begins on November 1 and ends on October 31 of the following year. Any references to the year 2018 or 2017, or to any quarter of those years, relates to the fiscal year or quarter, as the case may be, ended in that year. The information filed herein reflects all adjustments that are, in the opinion of management, necessary for a fair presentation of the condensed consolidated balance sheets as of April 30, 2018 and October 31, 2017, the condensed consolidated statements of income and comprehensive income for the three and six months ended April 30, 2018 and 2017 and the condensed consolidated statements of cash flows for the six months ended April 30, 2018 and 2017 of the Company. The condensed consolidated financial statements include the accounts of Greif, Inc., all wholly-owned and consolidated subsidiaries and investments in limited liability companies, partnerships and joint ventures in which it has controlling influence or is the primary beneficiary. Non-majority owned entities include investments in limited liability companies, partnerships and joint ventures in which the Company does not have controlling influence and are accounted for using either the equity or cost method, as appropriate. The unaudited condensed consolidated financial statements included in the Quarterly Report on Form 10-Q (this “Form 10-Q”) should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for its fiscal year ended October 31, 2017 (the “2017 Form 10-K”).
Newly Adopted Accounting Standards and Recently Issued Accounting Standards	Newly Adopted Accounting Standards In March 2017, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2017-07, "Compensation - Retirement Benefits (Topic 715)," which provides additional guidance in Accounting Standards Codification ("ASC") 715 for the presentation of net periodic benefit cost related to pension and post retirement benefits in the income statement and on the components eligible for capitalization in assets. This ASU requires the reporting of the service cost component to be in the same line item as other compensation costs arising from services rendered by the pertinent employees. Also, the other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations. This update also allows only the service cost component to be eligible for capitalization when applicable. The update is effective for the Company on November 1, 2018 using a retrospective approach for the presentation of the service cost component and the other components of net periodic pension cost and net periodic post-retirement benefit cost in the income statement and prospectively, on and after the effective date, for the capitalization of the service cost component of net periodic pension cost and net periodic post-retirement benefit in assets. The Company early adopted ASU 2017-07 on November 1, 2017 using a retrospective approach for each period presented. The impact of adoption for the three and six months ended April 30, 2018 was $1.8 million and $3.6 million, respectively, of net periodic benefit costs, other than the service cost components, being recorded in the line item other expense, net in the condensed consolidated statements of income. For the three and six month periods ended April 30, 2017, $1.1 million and $24.6 million, respectively, of pension settlement charges previously presented within operating profit has been presented outside of operating profit in the condensed consolidated statement of income due to the retrospective adoption of this ASU. The adoption did not have a material impact on the Company's financial position, results of operations, comprehensive income, cash flows or disclosures other than the impacts discussed above. In August 2017, the FASB issued ASU 2017-12, "Derivatives and Hedging (Topic 815)," which amends the accounting and disclosure requirements in ASC 815, "Derivatives and Hedging." The objective of this ASU is to improve transparency and reduce the complexity of hedge accounting. This ASU eliminates the separate recognition of periodic hedge ineffectiveness for cash flow and net investment hedges. The update is effective for the Company on November 1, 2019 using a modified retrospective approach and early adoption is permitted. The Company early adopted ASU 2017-12 on November 1, 2017 using a modified retrospective approach, which resulted in a reclassification of $0.6 million loss out of accumulated other comprehensive income (loss), net of tax and into retained earnings related to elimination of the cumulative ineffectiveness of cash flow hedges at the adoption date. The adoption did not have a material impact on the Company's financial position, results of operations, comprehensive income, cash flows or disclosures other than the impact discussed above. Recently Issued Accounting Standards In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606),” which supersedes the revenue recognition requirements in ASC 605, Revenue Recognition. This ASU is based on the principle that revenue is recognized to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The ASU also requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract. The update is effective for the Company on November 1, 2018 using one of two retrospective application methods. The Company is in the process of determining the potential impact of adopting the new revenue standards including conducting internal training sessions and reviewing global revenue surveys and key revenue contracts. The Company anticipates that the impact of adoption will be limited to expanded disclosures with no material impact on its financial position, results of operations, comprehensive income or cash flows. In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)," which amends the lease accounting and disclosure requirements in ASC 840, "Leases". The objective of this update is to increase transparency and comparability among organizations recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about lease arrangements. This ASU will require the recognition of lease assets and lease liabilities for those leases classified as operating leases under previous GAAP. The update is effective for the Company on November 1, 2019 using a modified retrospective approach. 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 flows and disclosures. In August of 2016, the FASB issued ASU 2016-15, "Statement of Cash Flows (Topic 230)," which amends the classification of certain cash receipts and cash payments on the statement of cash flows. The update is effective for the Company on November 1, 2018 and early adoption is permitted, including any interim period. The update should be applied using a retrospective approach, excluding amendments for which retrospective application is impractical. 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 flows and disclosures. In October 2016, the FASB issued ASU 2016-16, "Intra-Entity Transfers of Assets Other Than Inventory (Topic 740)," which improves the accounting for income tax consequences of intra-entity transfers of assets other than inventory. The update is effective for the Company on November 1, 2018 using a modified retrospective approach and early adoption is permitted, including any interim period. 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 flows and disclosures.

Sale of Non-United States Accounts Receivable (Tables)

6 Months Ended

Apr. 30, 2018

Receivables [Abstract]

Company's Accounts Receivables Programs

The table below contains certain information related to the Company’s accounts receivable sales programs:



	Three Months Ended April 30,				Six Months Ended April 30,
(in millions)	2018		2017		2018		2017
European RPA
Gross accounts receivable sold to third party financial institution	$	186.4	$	176.5	$	350.3	$	314.1
Cash received for accounts receivable sold under the programs	165.2		156.2		310.8		278.2
Deferred purchase price related to accounts receivable sold	21.2		20.3		39.5		35.9
Loss associated with the programs	0.1		0.1		0.1		0.2
Expenses associated with the programs	—		—		—		—

Singapore RPA
Gross accounts receivable sold to third party financial institution	$	16.3	$	15.1	$	27.1	$	25.0
Cash received for accounts receivable sold under the program	14.0		13.7		22.9		21.7
Deferred purchase price related to accounts receivable sold	2.4		1.3		4.3		3.2
Loss associated with the program	—		—		—		—
Expenses associated with the program	—		—		—		—

Total RPAs and Agreements
Gross accounts receivable sold to third party financial institution	$	202.7	$	191.6	$	377.4	$	339.1
Cash received for accounts receivable sold under the program	179.2		169.9		333.7		299.9
Deferred purchase price related to accounts receivable sold	23.6		21.6		43.8		39.1
Loss associated with the program	0.1		0.1		0.1		0.2
Expenses associated with the program	—		—		—		—

The table below contains certain information related to the Company’s accounts receivable sales programs and the impact it has on the condensed consolidated balance sheets:



(in millions)	April 30, 2018		October 31, 2017
European RPA
Accounts receivable sold to and held by third party financial institution	$	134.9	$	116.3
Deferred purchase price asset (liability) related to accounts receivable sold	19.8		(4.2		)

Singapore RPA
Accounts receivable sold to and held by third party financial institution	$	6.4	$	3.8
Deferred purchase price asset related to accounts receivable sold	0.9		0.5

Total RPAs and Agreements
Accounts receivable sold to and held by third party financial institution	$	141.3	$	120.1
Deferred purchase price asset (liability) related to accounts receivable sold	20.7		(3.7		)

Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Apr. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes in Carrying Amount of Goodwill by Segment

The following table summarizes the changes in the carrying amount of goodwill by segment for the six month period ended April 30, 2018:



(in millions)	Rigid Industrial Packaging & Services		Paper Packaging & Services		Total
Balance at October 31, 2017	$	725.9	$	59.5	$	785.4
Currency translation	12.9		—		12.9
Balance at April 30, 2018	$	738.8	$	59.5	$	798.3

Summary of Carrying Amount of Net Other Intangible Assets by Class

The following table summarizes the carrying amount of net other intangible assets by class as of April 30, 2018 and October 31, 2017:



(in millions)	Gross Intangible Assets		Accumulated Amortization		Net Intangible Assets
April 30, 2018:
Indefinite lived:
Trademarks and patents	$	13.6	$	—	$	13.6
Definite lived:
Customer relationships	$	167.1	$	103.1	$	64.0
Trademarks and patents	11.4		5.1		6.3
Other	24.2		17.4		6.8
Total	$	216.3	$	125.6	$	90.7

October 31, 2017:
Indefinite lived:
Trademarks and patents	$	13.4	$	—	$	13.4
Definite lived:
Customer relationships	$	170.2	$	99.7	$	70.5
Trademarks and patents	11.6		4.9		6.7
Other	23.4		16.0		7.4
Total	$	218.6	$	120.6	$	98.0

Restructuring Charges (Tables)

6 Months Ended

Apr. 30, 2018

Restructuring and Related Activities [Abstract]

Reconciliation of Beginning and Ending Restructuring Reserve Balances

The following is a reconciliation of the beginning and ending restructuring reserve balances for the six month period ended April 30, 2018:



(in millions)	Employee Separation Costs			Other Costs			Total
Balance at October 31, 2017	$	3.9		$	1.3		$	5.2
Costs incurred and charged to expense	8.3			1.8			10.1
Costs paid or otherwise settled	(6.7		)	(2.4		)	(9.1		)
Balance at April 30, 2018	$	5.5		$	0.7		$	6.2

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



(in millions)	Total Amounts Expected to be Incurred		Amounts Incurred During the six month period ended April 30, 2018		Amounts Remaining to be Incurred
Rigid Industrial Packaging & Services
Employee separation costs	$	19.1	$	8.0	$	11.1
Other restructuring costs	4.8		1.7		3.1
	23.9		9.7		14.2
Flexible Products & Services
Employee separation costs	0.7		0.3		0.4
Other restructuring costs	0.9		0.1		0.8
	1.6		0.4		1.2
	$	25.5	$	10.1	$	15.4

Consolidation of Variable Interest Entities (Tables)

6 Months Ended

Apr. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Total Net Assets of Flexible Packaging JV

The following table presents the Flexible Packaging JV total net assets:



(in millions)	April 30, 2018		October 31, 2017
Cash and cash equivalents	$	22.8	$	14.4
Trade accounts receivable, less allowance of $1.0 in 2018 and $2.2 in 2017	56.8		52.5
Inventories	59.9		53.3
Properties, plants and equipment, net	30.2		31.2
Other assets	27.2		25.8
Total Assets	$	196.9	$	177.2

Accounts payable	$	34.0	$	33.8
Other liabilities	24.9		30.2
Total Liabilities	$	58.9	$	64.0

Long-Term Debt (Tables)

6 Months Ended

Apr. 30, 2018

Debt Disclosure [Abstract]

Summary of Long-Term Debt

Long-term debt is summarized as follows:



(in millions)	April 30, 2018		October 31, 2017
2017 Credit Agreement- Term Loan	$	281.3	$	288.8
Senior Notes due 2019	248.5		248.0
Senior Notes due 2021	240.9		230.9
Receivables Facility	150.0		150.0
2017 Credit Agreement- Revolving Credit Facility	114.9		35.0
Other debt	5.4		6.5
	1,041.0		959.2
Less current portion	15.0		15.0
Less deferred financing costs	5.5		6.4
Long-term debt	$	1,020.5	$	937.8

Financial Instruments and Fair Value Measurements (Tables)

6 Months Ended

Apr. 30, 2018

Fair Value Disclosures [Abstract]

Recurring Fair Value Measurements

The following table presents the fair value for those assets and (liabilities) measured on a recurring basis as of April 30, 2018 and October 31, 2017:



	April 30, 2018
	Fair Value Measurement
(in millions)	Level 1		Level 2			Level 3		Total			Balance Sheet Location
Interest rate derivatives	$	—	$	16.0		$	—	$	16.0		Other long-term assets and other current assets
Foreign exchange hedges	—		0.4			—		0.4			Other current assets
Foreign exchange hedges	—		(1.4		)	—		(1.4		)	Other current liabilities
Insurance annuity	—		—			21.5		21.5			Other long-term assets
Cross currency swap	—		(1.9		)	—		(1.9		)	Other long-term liabilities
Cross currency swap	—		2.0			—		2.0			Other current assets
Total	$	—	$	15.1		$	21.5	$	36.6



	October 31, 2017
	Fair Value Measurement
(in millions)	Level 1		Level 2			Level 3		Total			Balance Sheet Location
Interest rate derivatives	$	—	$	8.9		$	—	$	8.9		Other long-term assets and other current assets
Foreign exchange hedges	—		0.1			—		0.1			Other current assets
Foreign exchange hedges	—		(0.6		)	—		(0.6		)	Other current liabilities
Insurance annuity	—		—			20.7		20.7			Other long-term assets
Total	$	—	$	8.4		$	20.7	$	29.1

Estimated Fair Values for the Company's Senior Notes and Assets Held by Special Purpose Entities

The following table presents the estimated fair values of the Company’s senior notes:



(in millions)	April 30, 2018		October 31, 2017
Senior Notes due 2019 estimated fair value	$	262.2	$	272.0
Senior Notes due 2021 estimated fair value	287.4		281.0
Assets held by special purpose entities estimated fair value	51.3		52.5

Summary of Quantitative about Significant Unobservable Inputs Used to Determine Fair Value of Impairment of Long-Lived Assets Held and Used and Net Assets Held for Sale



	Quantitative Information about Level 3 Fair Value Measurements
(in millions)	Fair Value of Impairment		Valuation Technique	Unobservable Input	Range of Input Values
April 30, 2018
Impairment of Net Assets Held for Sale	$	0.4	Discounted Cash Flows	Discounted Cash Flows	N/A
Impairment of Long Lived Assets	2.9		Discounted Cash Flows	Discounted Cash Flows	N/A
Total	$	3.3

April 30, 2017
Impairment of Net Assets Held for Sale	$	3.6	Broker Quote/ Indicative Bids	Indicative Bids	N/A
Impairment of Long Lived Assets	0.3		Sales Value	Sales Value	N/A
Total	$	3.9

Post Retirement Benefit Plans (Tables)

6 Months Ended

Apr. 30, 2018

Postemployment Benefits [Abstract]

Components of Net Periodic Pension Cost

The components of net periodic pension cost include the following:



	Three Months Ended April 30,						Six Months Ended April 30,
(in millions)	2018			2017			2018			2017
Service cost	$	3.3		$	3.3		$	6.6		$	6.6
Interest cost	4.6			4.6			9.2			9.2
Expected return on plan assets	(6.1		)	(7.1		)	(12.2		)	(14.2		)
Amortization of prior service cost and net actuarial gain	3.6			2.8			7.2			5.6
Net periodic pension costs	$	5.4		$	3.6		$	10.8		$	7.2

Components of Net Periodic Cost for Postretirement Benefits

The components of net periodic cost for post-retirement benefits include the following:



	Three Months Ended April 30,						Six Months Ended April 30,
(in millions)	2018			2017			2018			2017
Interest cost	$	0.1		$	0.1		$	0.2		$	0.2
Amortization of prior service cost and net actuarial gain	(0.4		)	(0.4		)	(0.8		)	(0.7		)
Net periodic benefit for post-retirement benefits	$	(0.3	)	$	(0.3	)	$	(0.6	)	$	(0.5	)

Earnings Per Share (Tables)

6 Months Ended

Apr. 30, 2018

Earnings Per Share [Abstract]

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

Computation of Earnings Per Share Basic and Diluted

The following table provides EPS information for each period:



	Three Months Ended April 30,						Six Months Ended April 30,
(in millions)	2018			2017			2018			2017
Numerator for basic and diluted EPS
Net income attributable to Greif, Inc.	$	45.1		$	36.0		$	101.6		$	41.4
Cash dividends	(24.8		)	(24.7		)	(49.3		)	(49.2		)
Undistributed net income (loss) attributable to Greif, Inc.	$	20.3		$	11.3		$	52.3		$	(7.8	)

Summarization 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 as of the specified dates:



	Authorized Shares	Issued Shares	Outstanding Shares	Treasury Shares
April 30, 2018
Class A Common Stock	128,000,000	42,281,920	25,941,279	16,340,641
Class B Common Stock	69,120,000	34,560,000	22,007,725	12,552,275

October 31, 2017
Class A Common Stock	128,000,000	42,281,920	25,835,281	16,446,639
Class B Common Stock	69,120,000	34,560,000	22,007,725	12,552,275

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:



	Three Months Ended April 30,		Six Months Ended April 30,
	2018	2017	2018	2017
Class A Common Stock:
Basic shares	25,934,680	25,824,194	25,890,495	25,805,981
Assumed conversion of restricted shares	—	4,688	—	4,679
Diluted shares	25,934,680	25,828,882	25,890,495	25,810,660
Class B Common Stock:
Basic and diluted shares	22,007,725	22,009,725	22,007,725	22,009,725

- 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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21506-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Section S99
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-Subparagraph (SX 210.5-02(29))
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643

Reference 10: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(27))
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Reference 11: http://www.xbrl.org/2003/role/presentationRef
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Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21484-112644

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21538-112644

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21488-112644

+ Details

Equity and Comprehensive Income (Loss) (Tables)

6 Months Ended

Apr. 30, 2018

Equity [Abstract]

Summary of Changes in Equity

The following table summarizes the changes of equity from October 31, 2017 to April 30, 2018 (Dollars in millions, shares in thousands):



	Capital Stock			Treasury Stock					Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Greif, Inc. Equity			Non controlling interests			Total Equity
	Common Shares	Amount		Treasury Shares		Amount
As of October 31, 2017	47,843	$	144.2	28,999		$	(135.6	)	$	1,360.5		$	(358.2	)	$	1,010.9		$	36.6		$	1,047.5
Net income									101.6						101.6			10.4			112.0
Other comprehensive income (loss):
- foreign currency translation												11.7			11.7			0.4			12.1
- derivative financial instruments, net of income tax expense of $1.8 million									(0.6		)	5.9			5.3						5.3
- minimum pension liability adjustment, net of immaterial income tax												1.8			1.8						1.8
Comprehensive income															120.4						131.2
Current period mark to redemption value of redeemable noncontrolling interest									(1.8		)				(1.8		)				(1.8		)
Net income allocated to redeemable noncontrolling interests															—			(1.9		)	(1.9		)
Dividends paid to Greif, Inc. shareholders									(49.3		)				(49.3		)				(49.3		)
Dividends paid to noncontrolling interests															—			(2.7		)	(2.7		)
Restricted stock directors	21	1.0		(21	)	—									1.0						1.0
Long-term incentive shares issued	85	5.1		(85	)	0.2									5.3						5.3
As of April 30, 2018	47,949	$	150.3	28,893		$	(135.4	)	$	1,410.4		$	(338.8	)	$	1,086.5		$	42.8		$	1,129.3

The following table summarizes the changes of equity from October 31, 2016 to April 30, 2017 (Dollars in millions, shares in thousands):



	Capital Stock			Treasury Stock					Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Greif, Inc. Equity			Non controlling interests			Total Equity
	Common Shares	Amount		Treasury Shares		Amount
As of October 31, 2016	47,792	$	141.4	29,050		$	(135.6	)	$	1,340.0		$	(398.4	)	$	947.4		$	10.5		$	957.9
Net income									41.4						41.4			6.5			47.9
Other comprehensive income (loss):
- foreign currency translation												3.5			3.5			(2.3		)	1.2
- interest rate derivative, net of income tax expense of $2.9 million												4.8			4.8						4.8
- change in minimum pension liability adjustment from remeasurement, settlement, and amortization, net of income tax of $17.5 million												29.4			29.4						29.4
Comprehensive income															79.1						83.3
Net income allocated to redeemable noncontrolling interests															—			(2.2		)	(2.2		)
Deconsolidation of noncontrolling interest															—			(2.6		)	(2.6		)
Dividends paid to Greif, Inc. shareholders									(49.2		)				(49.2		)				(49.2		)
Dividends paid to noncontrolling interests																		(3.1		)	(3.1		)
Long-term incentive shares issued	49	2.6		(49	)	0.1									2.7						2.7
As of April 30, 2017	47,841	$	144.0	29,001		$	(135.5	)	$	1,332.2		$	(360.7	)	$	980.0		$	6.8		$	986.8

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table provides the rollforward of accumulated other comprehensive income (loss) for the six months ended April 30, 2018:



(in millions)	Foreign Currency Translation			Interest Rate Derivative		Minimum Pension Liability Adjustment			Accumulated Other Comprehensive Income (Loss)
Balance as of October 31, 2017	$	(249.3	)	$	5.1	$	(114.0	)	$	(358.2	)
Other Comprehensive Income	11.7			5.9		1.8			19.4
Current-period Other Comprehensive Income	11.7			5.9		1.8			19.4
Balance as of April 30, 2018	$	(237.6	)	$	11.0	$	(112.2	)	$	(338.8	)

The following table provides the rollforward of accumulated other comprehensive income (loss) for the six months ended April 30, 2017:



(in millions)	Foreign Currency Translation			Interest Rate Derivative		Minimum Pension Liability Adjustment			Accumulated Other Comprehensive Income (Loss)
Balance as of October 31, 2016	$	(270.2	)	$	—	$	(128.2	)	$	(398.4	)
Other Comprehensive Income	3.5			4.8		29.4			37.7
Current-period Other Comprehensive Income	3.5			4.8		29.4			37.7
Balance as of April 30, 2017	$	(266.7	)	$	4.8	$	(98.8	)	$	(360.7	)

Business Segment Information (Tables)

6 Months Ended

Apr. 30, 2018

Segment Reporting [Abstract]

Segment Information

The following segment information is presented for the periods indicated:



	Three Months Ended April 30,				Six Months Ended April 30,
(in millions)	2018		2017		2018		2017
Net sales:
Rigid Industrial Packaging & Services	$	662.7	$	624.3	$	1,278.1	$	1,185.8
Paper Packaging & Services	213.9		188.7		417.7		371.6
Flexible Products & Services	84.1		66.6		164.1		136.3
Land Management	7.6		7.8		14.1		14.6
Total net sales	$	968.3	$	887.4	$	1,874.0	$	1,708.3

Operating profit:
Rigid Industrial Packaging & Services	$	47.2	$	56.1	$	78.4	$	98.9
Paper Packaging & Services	33.0		20.3		60.9		40.3
Flexible Products & Services	5.0		1.8		8.2		2.4
Land Management	2.5		3.3		5.7		5.5
Total operating profit	$	87.7	$	81.5	$	153.2	$	147.1

Depreciation, depletion and amortization expense:
Rigid Industrial Packaging & Services	$	21.1	$	20.5	$	41.7	$	39.9
Paper Packaging & Services	8.4		7.6		16.7		15.9
Flexible Products & Services	1.8		1.5		3.6		3.4
Land Management	1.1		1.4		2.1		2.5
Total depreciation, depletion and amortization expense	$	32.4	$	31.0	$	64.1	$	61.7

Net Sales to External Customers by Geographical Area

The following table presents net sales to external customers by geographic area:



	Three Months Ended April 30,				Six Months Ended April 30,
(in millions)	2018		2017		2018		2017
Net sales:
United States	$	463.5	$	434.5	$	896.2	$	842.5
Europe, Middle East and Africa	370.7		325.5		702.0		611.4
Asia Pacific and other Americas	134.1		127.4		275.8		254.4
Total net sales	$	968.3	$	887.4	$	1,874.0	$	1,708.3

Properties, Plants and Equipment, Net by Geographical Area

The following table presents total assets by segment and total properties, plants and equipment, net by geographic area:



(in millions)	April 30, 2018		October 31, 2017
Assets:
Rigid Industrial Packaging & Services	$	2,083.0	$	1,976.7
Paper Packaging & Services	478.2		459.8
Flexible Products & Services	174.2		163.2
Land Management	346.6		345.4
Total segments	3,082.0		2,945.1
Corporate and other	264.8		287.2
Total assets	$	3,346.8	$	3,232.3

Properties, plants and equipment, net:
United States	$	736.6	$	730.1
Europe, Middle East and Africa	321.5		322.0
Asia Pacific and other Americas	131.8		136.3
Total properties, plants and equipment, net	$	1,189.9	$	1,188.4

Redeemable Noncontrolling Interests (Tables)

6 Months Ended

Apr. 30, 2018

Noncontrolling Interest [Abstract]

Rollforward of Redeemable Noncontrolling Interest

The following table summarizes the change in mandatorily redeemable noncontrolling interest for the six months ended April 30, 2018:



(in millions)	Mandatorily Redeemable Noncontrolling Interest
Balance as of October 31, 2017	$	9.2
Current period mark to redemption value	(0.5		)
Balance as of April 30, 2018	$	8.7

Redeemable Noncontrolling Interests



(in millions)	Redeemable Noncontrolling Interest
Balance as of October 31, 2017	$	31.5
Current period mark to redemption value	1.8
Redeemable noncontrolling interest share of income and other	1.9
Dividends to redeemable noncontrolling interest and other	(1.4		)
Balance as of April 30, 2018	$	33.8

Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017	Oct. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Pension settlement charge	$ 0.0	$ 1.1	$ 0.0	$ 24.6
Accounting Standards Update 2017-12
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Derivative, net hedge ineffectiveness, amounts reclassified from AOCI to retained earnings					$ 0.6
Other expense \| Accounting Standards Update 2017-07
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net periodic benefit costs, other than the service cost components	$ 1.8		$ 3.6

Acquisitions and Divestitures - Additional Information (Detail) $ in Millions	3 Months Ended			6 Months Ended
	Apr. 30, 2018 USD ($)	Apr. 30, 2017 USD ($) liquidation deconsolidation	Jan. 31, 2017 deconsolidation	Apr. 30, 2018 USD ($) Divestiture business	Apr. 30, 2017 USD ($) liquidation Divestiture business deconsolidation
Business Acquisition [Line Items]
Number of divestitures (business) \| Divestiture				0	0
Number of acquisitions (business) \| business				0	0
Proceeds from divestitures				$ 1.4	$ 0.8
Deconsolidation, number of businesses, nonstrategic \| deconsolidation					2
Number of subsidiaries liquidated \| liquidation					1
Gain on disposal of businesses, net	$ 0.0	$ (1.9)		0.0	$ (1.4)
Notes Receivable
Business Acquisition [Line Items]
Consideration for divestiture	$ 2.9			2.9
2015 Divestiture
Business Acquisition [Line Items]
Proceeds from divestitures				0.9
2017 Divestiture
Business Acquisition [Line Items]
Proceeds from divestitures				$ 0.5
Flexible Products & Services
Business Acquisition [Line Items]
Deconsolidation, number of businesses, nonstrategic \| deconsolidation			1
Rigid Industrial Packaging & Services
Business Acquisition [Line Items]
Deconsolidation, number of businesses, nonstrategic \| deconsolidation		1
Number of subsidiaries liquidated \| liquidation		1

Sale of Non-United States Accounts Receivable - Additional Information (Detail) - 6 months ended Apr. 30, 2018	USD ($)	EUR (€)	SGD ($)
Finance Receivable Transferred To Held For Sale [Line Items]
Minimum percentage of eligible receivables related with bank funds initial purchase price	75.00%
Maximum percentage of eligible receivables related with bank funds initial purchase price	90.00%
European RPA
Finance Receivable Transferred To Held For Sale [Line Items]
Financing receivable maximum amount under receivable purchase agreement	$ 121,030,000	€ 100,000,000
Singapore RPA
Finance Receivable Transferred To Held For Sale [Line Items]
Financing receivable maximum amount under receivable purchase agreement	$ 11,300,000		$ 15,000,000
Percent of eligible receivables	90.00%

Sale of Non-United States Accounts Receivable - Company's Accounts Receivables Programs (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017	Oct. 31, 2017
European RPA
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	$ 186.4	$ 176.5	$ 350.3	$ 314.1
Cash received for accounts receivable sold under the programs	165.2	156.2	310.8	278.2
Deferred purchase price related to accounts receivable sold	21.2	20.3	39.5	35.9
Loss associated with the programs	0.1	0.1	0.1	0.2
Expenses associated with the programs	0.0	0.0	0.0	0.0
Accounts receivable sold to and held by third party financial institution	134.9		134.9		$ 116.3
Deferred purchase price asset (liability) related to accounts receivable sold	19.8		19.8		(4.2)
Singapore RPA
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	16.3	15.1	27.1	25.0
Cash received for accounts receivable sold under the programs	14.0	13.7	22.9	21.7
Deferred purchase price related to accounts receivable sold	2.4	1.3	4.3	3.2
Loss associated with the programs	0.0	0.0	0.0	0.0
Expenses associated with the programs	0.0	0.0	0.0	0.0
Accounts receivable sold to and held by third party financial institution	6.4		6.4		3.8
Deferred purchase price asset (liability) related to accounts receivable sold	0.9		0.9		0.5
Total RPAs and Agreements
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	202.7	191.6	377.4	339.1
Cash received for accounts receivable sold under the programs	179.2	169.9	333.7	299.9
Deferred purchase price related to accounts receivable sold	23.6	21.6	43.8	39.1
Loss associated with the programs	0.1	0.1	0.1	0.2
Expenses associated with the programs	0.0	$ 0.0	0.0	$ 0.0
Accounts receivable sold to and held by third party financial institution	141.3		141.3		120.1
Deferred purchase price asset (liability) related to accounts receivable sold	$ 20.7		$ 20.7		$ (3.7)

Assets and Liabilities Held for Sale and Disposals of Properties, Plants and Equipment, Net - Additional Information (Detail) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018 USD ($) asset_group	Apr. 30, 2017 USD ($)	Apr. 30, 2018 USD ($) asset_group	Apr. 30, 2017 USD ($)	Oct. 31, 2017 asset_group
Long Lived Assets Held-for-sale [Line Items]
Gain on disposal of properties, plants and equipment, net	$ 1.5	$ 1.8	$ 6.1	$ 2.8
Rigid Industrial Packaging & Services
Long Lived Assets Held-for-sale [Line Items]
Number of assets groups with assets and liabilities held for sale (asset group) \| asset_group	3		3		2
Gain on disposal of properties, plants and equipment, net	$ 1.1	0.3	$ 4.5	0.9
Paper Packaging & Services
Long Lived Assets Held-for-sale [Line Items]
Number of assets groups with assets and liabilities held for sale (asset group) \| asset_group	1		1
Land Management
Long Lived Assets Held-for-sale [Line Items]
Gain on disposal of properties, plants and equipment, net	$ 0.4	$ 1.5	$ 1.6	$ 1.9

Goodwill and Other Intangible Assets - Summary of Changes in Carrying Amount of Goodwill by Segment (Detail) $ in Millions	6 Months Ended
	Apr. 30, 2018 USD ($)
Goodwill [Roll Forward]
October 31, 2017	$ 785.4
Currency translation	12.9
April 30, 2018	798.3
Rigid Industrial Packaging & Services
Goodwill [Roll Forward]
October 31, 2017	725.9
Currency translation	12.9
April 30, 2018	738.8
Paper Packaging & Services
Goodwill [Roll Forward]
October 31, 2017	59.5
Currency translation	0.0
April 30, 2018	$ 59.5

Goodwill and Other Intangible Assets - Summary of Carrying Amount of Net Other Intangible Assets by Class (Detail) - USD ($) $ in Millions	Apr. 30, 2018	Oct. 31, 2017
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross Intangible Assets	$ 216.3	$ 218.6
Accumulated Amortization	125.6	120.6
Net Intangible Assets	90.7	98.0
Trademarks and patents
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Indefinite lived intangible assets	13.6	13.4
Customer relationships
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross Intangible Assets	167.1	170.2
Accumulated Amortization	103.1	99.7
Net Intangible Assets	64.0	70.5
Trademarks and patents
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross Intangible Assets	11.4	11.6
Accumulated Amortization	5.1	4.9
Net Intangible Assets	6.3	6.7
Other
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross Intangible Assets	24.2	23.4
Accumulated Amortization	17.4	16.0
Net Intangible Assets	$ 6.8	$ 7.4

Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 3.9	$ 3.1	$ 7.7	$ 6.9
Future amortization expense, 2018	15.5		15.5
Future amortization expense, 2019	15.2		15.2
Future amortization expense, 2020	14.6		14.6
Future amortization expense, 2021	12.9		12.9
Future amortization expense, 2022	$ 8.9		$ 8.9

Restructuring Charges - Reconciliation of Beginning and Ending Restructuring Reserve Balances (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Restructuring Reserve [Roll Forward]
Beginning balance			$ 5.2
Costs incurred and charged to expense	$ 6.0	$ 5.1	10.1	$ 4.8
Costs paid or otherwise settled			(9.1)
Ending balance	6.2		6.2
Employee Separation Costs
Restructuring Reserve [Roll Forward]
Beginning balance			3.9
Costs incurred and charged to expense	5.5		8.3
Costs paid or otherwise settled			(6.7)
Ending balance	5.5		5.5
Other Costs
Restructuring Reserve [Roll Forward]
Beginning balance			1.3
Costs incurred and charged to expense	0.5		1.8
Costs paid or otherwise settled			(2.4)
Ending balance	$ 0.7		$ 0.7

Restructuring Charges - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017	Oct. 31, 2017
Restructuring and Related Costs [Line Items]
Restructuring charges	$ 6.0	$ 5.1	$ 10.1	$ 4.8
Amounts remaining to be incurred	15.4		15.4		$ 14.9
Employee Separation Costs
Restructuring and Related Costs [Line Items]
Restructuring charges	5.5		8.3
Other Costs
Restructuring and Related Costs [Line Items]
Restructuring charges	$ 0.5		$ 1.8

Restructuring Charges - Reconciliation of Total Amounts Expected to be Incurred from Open Restructuring Plans Anticipated to be Realized (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017	Oct. 31, 2017
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	$ 25.5		$ 25.5
Restructuring charges	6.0	$ 5.1	10.1	$ 4.8
Amounts Remaining to be Incurred	15.4		15.4		$ 14.9
Employee Separation Costs
Restructuring and Related Costs [Line Items]
Restructuring charges	5.5		8.3
Other Costs
Restructuring and Related Costs [Line Items]
Restructuring charges	0.5		1.8
Rigid Industrial Packaging & Services
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	23.9		23.9
Restructuring charges			9.7
Amounts Remaining to be Incurred	14.2		14.2
Rigid Industrial Packaging & Services \| Employee Separation Costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	19.1		19.1
Restructuring charges			8.0
Amounts Remaining to be Incurred	11.1		11.1
Rigid Industrial Packaging & Services \| Other Costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	4.8		4.8
Restructuring charges			1.7
Amounts Remaining to be Incurred	3.1		3.1
Flexible Products & Services
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	1.6		1.6
Restructuring charges			0.4
Amounts Remaining to be Incurred	1.2		1.2
Flexible Products & Services \| Employee Separation Costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	0.7		0.7
Restructuring charges			0.3
Amounts Remaining to be Incurred	0.4		0.4
Flexible Products & Services \| Other Costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	0.9		0.9
Restructuring charges			0.1
Amounts Remaining to be Incurred	$ 0.8		$ 0.8

Consolidation of Variable Interest Entities - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017	Oct. 31, 2017
Variable Interest Entity [Line Items]
Restricted bank financial instruments under Buyer SPE	$ 50.9		$ 50.9		$ 50.9
Interest income of Buyer SPE	0.6	$ 0.6	1.2	$ 1.2
Net income (loss) attributable to noncontrolling interests	6.8	3.9	10.4	6.5
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Net income (loss) attributable to noncontrolling interests	4.4	1.2	$ 5.5	1.8
Buyer Spe
Variable Interest Entity [Line Items]
Ownership interest			0.00%
STA Timber
Variable Interest Entity [Line Items]
Debt instrument, principal outstanding	43.3		$ 43.3		$ 43.3
Interest expense	$ 0.6	$ 0.6	$ 1.2	$ 1.2

Consolidation of Variable Interest Entities - Total Net Assets of Flexible Packaging JV (Detail) - USD ($) $ in Millions	Apr. 30, 2018	Oct. 31, 2017	Apr. 30, 2017	Oct. 31, 2016
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 108.2	$ 142.3	$ 87.0	$ 103.7
Trade accounts receivable, less allowance of $1.0 in 2018 and $2.2 in 2017	463.4	447.0
Properties, plants and equipment, net	1,189.9	1,188.4
Total Assets	50.9	50.9
Accounts payable	395.7	399.2
Total Liabilities	43.3	43.3
Allowance of trade accounts receivable	7.0	8.9
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Cash and cash equivalents	22.8	14.4
Trade accounts receivable, less allowance of $1.0 in 2018 and $2.2 in 2017	56.8	52.5
Inventories	59.9	53.3
Properties, plants and equipment, net	30.2	31.2
Other assets	27.2	25.8
Total Assets	196.9	177.2
Accounts payable	34.0	33.8
Other liabilities	24.9	30.2
Total Liabilities	58.9	64.0
Allowance of trade accounts receivable	$ 1.0	$ 2.2

Long-Term Debt - Summary of Long-Term Debt (Detail) - USD ($) $ in Millions	Apr. 30, 2018	Oct. 31, 2017
Debt Instrument [Line Items]
Long-term debt	$ 1,041.0	$ 959.2
Less current portion	15.0	15.0
Less deferred financing costs	5.5	6.4
Long-term debt	1,020.5	937.8
2017 Credit Agreement
Debt Instrument [Line Items]
Long-term debt	396.2
Senior Notes due 2019
Debt Instrument [Line Items]
Less deferred financing costs	0.6
Senior Notes due 2019 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	248.5	248.0
Senior Notes due 2021 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	240.9	230.9
Other debt
Debt Instrument [Line Items]
Long-term debt	5.4	6.5
Term Loan \| 2017 Credit Agreement
Debt Instrument [Line Items]
Long-term debt	281.3	288.8
Domestic Line of Credit \| Receivables Facility
Debt Instrument [Line Items]
Long-term debt	150.0	150.0
Revolving Credit Facility \| 2017 Credit Agreement
Debt Instrument [Line Items]
Long-term debt	114.9	$ 35.0
Less current portion	15.0
Less deferred financing costs	4.9
Long-term debt	$ 381.2

Long-Term Debt - Credit Agreement Additional Information (Detail)	Nov. 03, 2016 USD ($)	Apr. 30, 2018 USD ($)	Oct. 31, 2017 USD ($)	Dec. 19, 2012 USD ($)	Feb. 09, 2007 USD ($)
Debt Instrument [Line Items]
Less deferred financing costs		$ 5,500,000	$ 6,400,000
Long-term debt		1,041,000,000	959,200,000
Current portion of long-term debt		15,000,000	15,000,000
Long-term debt, excluding current maturities		1,020,500,000	937,800,000
2017 Credit Agreement
Debt Instrument [Line Items]
Debt issued	$ 300,000,000.0
Optional additional borrowing capacity	$ 550,000,000
Leverage ratio, adjusted EBITDA	4.00
Leverage ratio, adjusted EBITDA during collateral release period	3.75
Interest coverage ratio, adjusted EBITDA	3.00
Long-term debt		$ 396,200,000
Weighted average interest rate		2.82%
Actual interest rate		3.11%
Senior Notes One
Debt Instrument [Line Items]
Debt issued					$ 300,000,000
Interest of senior notes					6.75%
Revolving Credit Facility \| 2017 Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 800,000,000
Reduction in outstanding letter of credit		$ 14,400,000
Less deferred financing costs		4,900,000
Long-term debt		114,900,000	$ 35,000,000
Current portion of long-term debt		15,000,000
Long-term debt, excluding current maturities		381,200,000
Line of Credit \| Prior Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 1,000,000,000
Current borrowing available		$ 670,700,000

Long-Term Debt - Senior Notes Additional Information (Detail)	Apr. 30, 2018 USD ($)	Oct. 31, 2017 USD ($)	Jul. 15, 2011 EUR (€)	Jul. 28, 2009 USD ($)
Debt Instrument [Line Items]
Debt issuance costs, net	$ 5,500,000	$ 6,400,000
Senior Notes due 2019
Debt Instrument [Line Items]
Debt issued				$ 250,000,000
Interest of senior notes				7.75%
Debt issuance costs, net	$ 600,000
Senior Notes due 2021
Debt Instrument [Line Items]
Debt issued \| €			€ 200,000,000
Interest of senior notes			7.375%

Long-Term Debt - United States Trade Accounts Receivable Credit Facility Additional Information (Detail) - USD ($)	Apr. 30, 2018	Oct. 31, 2017	Sep. 27, 2017
Debt Instrument [Line Items]
Long-term debt	$ 1,041,000,000	$ 959,200,000
Receivables Facility \| Domestic Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 150,000,000.0
Long-term debt	$ 150,000,000	$ 150,000,000

Financial Instruments and Fair Value Measurements - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Apr. 30, 2018 USD ($)	Apr. 30, 2017 USD ($)	Apr. 30, 2018 USD ($) asset_group	Apr. 30, 2017 USD ($) asset_group	Mar. 06, 2018 USD ($)	Oct. 31, 2017 USD ($)	Feb. 01, 2017 USD ($)	Jan. 31, 2017 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recorded under fair value contracts	$ 1,600,000	$ 300,000	$ 2,100,000	$ 1,500,000
Unrealized gain (loss) on foreign currency derivatives, net, before tax	2,000,000	0	(1,100,000)	(1,500,000)
Interest expense, net	13,000,000	14,300,000	26,300,000	33,000,000
Recognized asset impairment charges	400,000	2,000,000	3,300,000	$ 3,900,000
Rigid Industrial Packaging & Services
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Impairment of long-lived assets held-for-use			1,900,000
Impairment of intangible assets (excluding goodwill)			$ 1,400,000
Rigid Industrial Packaging & Services \| Assets Held And Used
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of impaired assets held and used (asset group) \| asset_group			1	1
Recognized amount of additional impairment related to assets and liabilities held and used			$ 400,000	$ 3,600,000
Interest Rate Swap \| Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Debt issued							$ 300,000,000.0	$ 300,000,000.0
Interest rate							1.194%
Loss reclassified from AOCI to income	400,000	$ (300,000)	500,000	$ (300,000)
Gain to be reclassified within next twelve months			3,200,000
Foreign Currency Forward Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	119,800,000.0		119,800,000.0			$ 80,100,000.0
Cross currency swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount					$ 100,000,000.0
Derivative, fixed interest rate					2.352%
Interest expense, net	$ 400,000		$ 400,000

Financial Instruments And Fair Value Measurements - Estimated Fair Values for the Company's Senior Notes and Assets Held by Special Purpose Entities (Detail) - USD ($) $ in Millions	Apr. 30, 2018	Oct. 31, 2017
Estimated Fair Value Of Financial Instruments [Line Items]
Assets held by special purpose entities	$ 50.9	$ 50.9
Estimate of Fair Value Measurement
Estimated Fair Value Of Financial Instruments [Line Items]
Assets held by special purpose entities	51.3	52.5
Senior Notes due 2019 \| Estimate of Fair Value Measurement
Estimated Fair Value Of Financial Instruments [Line Items]
Estimated fair value	262.2	272.0
Senior Notes due 2021 \| Estimate of Fair Value Measurement
Estimated Fair Value Of Financial Instruments [Line Items]
Estimated fair value	$ 287.4	$ 281.0

Financial Instruments and Fair Value Measurements - Summary of Quantitative about Significant Unobservable Inputs Used to Determine Fair Value of Impairment of Long-Lived Assets Held and Used (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Non-cash asset impairment charges	$ 0.4	$ 2.0	$ 3.3	$ 3.9
Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Non-cash asset impairment charges			3.3	3.9
Level 3 \| Sales Value
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of Long Lived Assets			2.9
Level 3 \| Sales Value \| Machinery and Equipment
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of Long Lived Assets				0.3
Level 3 \| Broker Quote/ Indicative Bids
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of Net Assets Held for Sale			$ 0.4
Level 3 \| Broker Quote/ Indicative Bids \| Land and Building
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of Net Assets Held for Sale				$ 3.6

Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended			6 Months Ended		12 Months Ended
	Apr. 30, 2018	Jan. 31, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017	Oct. 31, 2018
Income Tax [Line Items]
Income tax expense	$ 21.1		$ 23.0	$ 5.5	$ 34.8
Tax cuts and jobs act of 2017, incomplete accounting, change in tax rate, deferred tax liability, provisional income tax benefit	69.3	$ 65.0
Tax cuts and jobs act of 2017, expense (benefit)	$ 4.3
Forecast
Income Tax [Line Items]
Blended tax rate						23.33%

Post Retirement Benefit Plans - Components of Net Periodic Pension Cost (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3.3	$ 3.3	$ 6.6	$ 6.6
Interest cost	4.6	4.6	9.2	9.2
Expected return on plan assets	(6.1)	(7.1)	(12.2)	(14.2)
Amortization of prior service cost and net actuarial gain	3.6	2.8	7.2	5.6
Net periodic costs (benefits) for pension and post-retirement benefits	5.4	3.6	10.8	7.2
Other Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Interest cost	0.1	0.1	0.2	0.2
Amortization of prior service cost and net actuarial gain	(0.4)	(0.4)	(0.8)	(0.7)
Net periodic costs (benefits) for pension and post-retirement benefits	$ (0.3)	$ (0.3)	$ (0.6)	$ (0.5)

Post Retirement Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017
Postemployment Benefits [Abstract]
Company's pension contributions	$ 13.5	$ 5.1
Annuity contract		49.2
Lump sum payments made to participants		38.9
Decrease in projected benefit obligation		88.1
Pension settlement charge		$ 24.6

Contingent Liabilities and Environmental Reserves - Additional Information (Detail) $ in Millions	12 Months Ended
	Oct. 31, 2017 USD ($) reconditioning_facilities	Apr. 30, 2018 USD ($)
Site Contingency [Line Items]
Number of reconditioning facilities subject to litigation \| reconditioning_facilities	3
Environmental liability reserves	$ 7.1	$ 7.2
European Drum Facilities
Site Contingency [Line Items]
Environmental liability reserves	4.3	4.3
Life Cycle Management and Recycling Facilities
Site Contingency [Line Items]
Environmental liability reserves	0.3	0.2
Owned by Other Company
Site Contingency [Line Items]
Environmental liability reserves	1.1	1.0
Other Facilities
Site Contingency [Line Items]
Environmental liability reserves	1.4	1.7
Wrongful Termination Lawsuits \| Pending Litigation
Site Contingency [Line Items]
Estimated liability recorded for legal proceedings	$ 5.7	$ 3.0

Earnings Per Share - Additional Information (Detail) - shares	6 Months Ended	12 Months Ended
	Apr. 30, 2018	Oct. 31, 2017
Class A Common Stock
Class of Stock [Line Items]
Percentage of shares outstanding used in two class method calculation	40.00%
Voting rights	The Class A Common Stock has no voting rights unless four quarterly cumulative dividends upon the Class A Common Stock are in arrears.
Class B Common Stock
Class of Stock [Line Items]
Percentage of shares outstanding used in two class method calculation	60.00%
Voting rights	The Class B Common Stock has full voting rights.
Board Of Director Authorized
Class of Stock [Line Items]
Number of shares authorized to be purchased (shares)	4,703,487
Stock Repurchase Committee Authorized
Class of Stock [Line Items]
Repurchase of common stock (shares)	0	2,000

Earnings Per Share - Computation of Earnings Per Share Basic and Diluted (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Numerator for basic and diluted EPS
Net income attributable to Greif, Inc.	$ 45.1	$ 36.0	$ 101.6	$ 41.4
Cash dividends	(24.8)	(24.7)	(49.3)	(49.2)
Undistributed net income (loss) attributable to Greif, Inc.	$ 20.3	$ 11.3	$ 52.3	$ (7.8)

Earnings Per Share - Summarization of Company's Class A and Class B Common and Treasury Shares (Detail) - shares	Apr. 30, 2018	Oct. 31, 2017
Class A Common Stock
Class of Stock [Line Items]
Authorized Shares (shares)	128,000,000	128,000,000
Issued Shares (shares)	42,281,920	42,281,920
Outstanding Shares (shares)	25,941,279	25,835,281
Treasury shares (in shares)	16,340,641	16,446,639
Class B Common Stock
Class of Stock [Line Items]
Authorized Shares (shares)	69,120,000	69,120,000
Issued Shares (shares)	34,560,000	34,560,000
Outstanding Shares (shares)	22,007,725	22,007,725
Treasury shares (in shares)	12,552,275	12,552,275

Earnings Per Share - Reconciliation of Shares Used to Calculate Basic and Diluted Earnings Per Share (Detail) - shares	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Class A Common Stock
Class of Stock [Line Items]
Basic shares (shares)	25,934,680	25,824,194	25,890,495	25,805,981
Assumed conversion of restricted shares (shares)	0	4,688	0	4,679
Diluted shares (shares)	25,934,680	25,828,882	25,890,495	25,810,660
Class B Common Stock
Class of Stock [Line Items]
Basic shares (shares)	22,000,000	22,000,000	22,000,000	22,000,000
Diluted shares (shares)	22,000,000	22,000,000	22,000,000	22,000,000
Basic and diluted shares (shares)	22,007,725	22,009,725	22,007,725	22,009,725

Equity Earnings of Unconsolidated Affiliates, Net of Tax and Net Income Attributable to Noncontrolling Interests - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Noncontrolling Interest [Abstract]
Equity earnings (losses)	$ (800,000)	$ 0	$ (800,000)	$ 0
Dividends received from company's equity method affiliates	0	0	0	0
Net income (loss) attributable to noncontrolling interests	$ 6,800,000	$ 3,900,000	$ 10,400,000	$ 6,500,000

Equity and Comprehensive Income (Loss) - Summary of Changes in Equity (Detail) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			$ 1,047.5	$ 957.9
Net income	$ 51.9	$ 39.9	112.0	47.9
Other comprehensive income (loss):
Foreign currency translation	(26.3)	10.4	12.1	1.2
Derivative financial instruments	1.4	0.2	5.3	4.8
Minimum pension liabilities	2.7	1.3	1.8	29.4
Comprehensive income	29.7	51.8	131.2	83.3
Current period mark to redemption value of redeemable noncontrolling interest			(1.8)
Net income allocated to redeemable noncontrolling interests			(1.9)	(2.2)
Other				(2.6)
Dividends paid to Greif, Inc. shareholders	(24.8)	(24.7)	(49.3)	(49.2)
Dividends paid to noncontrolling interests			(2.7)	(3.1)
Restricted stock directors			1.0
Long-term incentive shares issued			5.3	2.7
Ending balance	1,129.3	986.8	1,129.3	986.8
Other comprehensive income (loss), derivatives qualifying as hedges, tax		2.9	1.8
Other comprehensive (income) loss, pension and other postretirement benefit plans, tax			0.0	17.5
Greif, Inc. Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			1,010.9	947.4
Net income			101.6	41.4
Other comprehensive income (loss):
Foreign currency translation			11.7	3.5
Derivative financial instruments			5.3	4.8
Minimum pension liabilities			1.8	29.4
Comprehensive income			120.4	79.1
Current period mark to redemption value of redeemable noncontrolling interest			(1.8)
Dividends paid to Greif, Inc. shareholders			(49.3)	(49.2)
Restricted stock directors			1.0
Long-term incentive shares issued			5.3	2.7
Ending balance	1,086.5	980.0	$ 1,086.5	$ 980.0
Capital Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (shares)			47,843	47,792
Beginning balance			$ 144.2	$ 141.4
Other comprehensive income (loss):
Restricted stock directors (shares)			21
Restricted stock directors			$ 1.0
Long-term incentive shares issued (shares)			85	49
Long-term incentive shares issued			$ 5.1	$ 2.6
Ending balance	$ 150.3	$ 144.0	$ 150.3	$ 144.0
Ending balance (shares)	47,949	47,841	47,949	47,841
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (shares)			28,999	29,050
Beginning balance			$ (135.6)	$ (135.6)
Other comprehensive income (loss):
Restricted stock directors (shares)			21
Restricted stock directors			$ 0.0
Long-term incentive shares issued (shares)			85	49
Long-term incentive shares issued			$ 0.2	$ 0.1
Ending balance	$ (135.4)	$ (135.5)	$ (135.4)	$ (135.5)
Ending balance (shares)	28,893	29,001	28,893	29,001
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			$ 1,360.5	$ 1,340.0
Net income			101.6	41.4
Other comprehensive income (loss):
Derivative financial instruments			(0.6)
Current period mark to redemption value of redeemable noncontrolling interest			(1.8)
Dividends paid to Greif, Inc. shareholders			(49.3)	(49.2)
Ending balance	$ 1,410.4	$ 1,332.2	1,410.4	1,332.2
Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			(358.2)	(398.4)
Other comprehensive income (loss):
Foreign currency translation			11.7	3.5
Derivative financial instruments			5.9	4.8
Minimum pension liabilities			1.8	29.4
Ending balance	(338.8)	(360.7)	(338.8)	(360.7)
Non controlling interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			36.6	10.5
Net income			10.4	6.5
Other comprehensive income (loss):
Foreign currency translation			0.4	(2.3)
Net income allocated to redeemable noncontrolling interests			(1.9)	(2.2)
Other				(2.6)
Dividends paid to noncontrolling interests			(2.7)	(3.1)
Ending balance	$ 42.8	$ 6.8	$ 42.8	$ 6.8

Equity and Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			$ (1,047.5)	$ (957.9)
Other comprehensive income, net of tax	$ (22.2)	$ 11.9	19.2	35.4
Ending balance	(1,129.3)	(986.8)	(1,129.3)	(986.8)
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			249.3	270.2
Other comprehensive income, net of tax			11.7	3.5
Ending balance	237.6	266.7	237.6	266.7
Interest Rate Derivative
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(5.1)	0.0
Other comprehensive income, net of tax			5.9	4.8
Ending balance	(11.0)	(4.8)	(11.0)	(4.8)
Minimum Pension Liability Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(114.0)	128.2
Other comprehensive income, net of tax			(1.8)	29.4
Ending balance	(112.2)	98.8	(112.2)	98.8
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			358.2	398.4
Other comprehensive income, net of tax			19.4	37.7
Ending balance	$ 338.8	$ 360.7	$ 338.8	$ 360.7

Business Segment Information - Additional Information (Detail)	6 Months Ended
	Apr. 30, 2018 Segment
Segment Reporting [Abstract]
Number of operating segments (segment)	8
Number of reportable business segment (segment)	4

Business Segment Information - Segment Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Net sales:
Total net sales	$ 968.3	$ 887.4	$ 1,874.0	$ 1,708.3
Operating profit (loss):
Total operating profit (loss)	87.7	81.5	153.2	147.1
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	32.4	31.0	64.1	61.7
Rigid Industrial Packaging & Services
Net sales:
Total net sales	662.7	624.3	1,278.1	1,185.8
Operating profit (loss):
Total operating profit (loss)	47.2	56.1	78.4	98.9
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	21.1	20.5	41.7	39.9
Paper Packaging & Services
Net sales:
Total net sales	213.9	188.7	417.7	371.6
Operating profit (loss):
Total operating profit (loss)	33.0	20.3	60.9	40.3
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	8.4	7.6	16.7	15.9
Flexible Products & Services
Net sales:
Total net sales	84.1	66.6	164.1	136.3
Operating profit (loss):
Total operating profit (loss)	5.0	1.8	8.2	2.4
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	1.8	1.5	3.6	3.4
Land Management
Net sales:
Total net sales	7.6	7.8	14.1	14.6
Operating profit (loss):
Total operating profit (loss)	2.5	3.3	5.7	5.5
Depreciation, depletion and amortization expense:
Total depreciation, depletion and amortization expense	$ 1.1	$ 1.4	$ 2.1	$ 2.5

Business Segment Information - Net Sales to External Customers by Geographical Area (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Net sales
Total net sales	$ 968.3	$ 887.4	$ 1,874.0	$ 1,708.3
United States
Net sales
Total net sales	463.5	434.5	896.2	842.5
Europe, Middle East and Africa
Net sales
Total net sales	370.7	325.5	702.0	611.4
Asia Pacific and other Americas
Net sales
Total net sales	$ 134.1	$ 127.4	$ 275.8	$ 254.4

Business Segment Information - Properties, Plants and Equipment, Net by Geographical Area (Detail) - USD ($) $ in Millions	Apr. 30, 2018	Oct. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	$ 3,346.8	$ 3,232.3
Properties, plants and equipment, net
Total properties, plants and equipment, net	1,189.9	1,188.4
United States
Properties, plants and equipment, net
Total properties, plants and equipment, net	736.6	730.1
Europe, Middle East and Africa
Properties, plants and equipment, net
Total properties, plants and equipment, net	321.5	322.0
Asia Pacific and other Americas
Properties, plants and equipment, net
Total properties, plants and equipment, net	131.8	136.3
Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	3,082.0	2,945.1
Operating Segments \| Rigid Industrial Packaging & Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	2,083.0	1,976.7
Operating Segments \| Paper Packaging & Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	478.2	459.8
Operating Segments \| Flexible Products & Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	174.2	163.2
Operating Segments \| Land Management
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	346.6	345.4
Corporate, Non-Segment
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	$ 264.8	$ 287.2

Redeemable Noncontrolling Interests - Rollforward of Mandatorily Redeemable Noncontrolling Interest (Details) $ in Millions	6 Months Ended
	Apr. 30, 2018 USD ($)
Redeemable Noncontrolling Interest, Equity [Roll Forward]
October 31, 2017	$ 31.5
Current period mark to redemption value	1.8
April 30, 2018	33.8
Container Life Cycle Management LLC
Redeemable Noncontrolling Interest, Equity [Roll Forward]
October 31, 2017	9.2
Current period mark to redemption value	(0.5)
April 30, 2018	$ 8.7

Redeemable Noncontrolling Interests - Additional Information (Detail)	6 Months Ended
	Apr. 30, 2018 joint_venture
Paper Packaging & Services
Redeemable Noncontrolling Interest [Line Items]
Number of joint ventures (joint venture)	1
Rigid Industrial Packaging & Services
Redeemable Noncontrolling Interest [Line Items]
Number of joint ventures (joint venture)	1

Redeemable Noncontrolling Interests - Rollforward of Redeemable Noncontrolling Interest (Detail) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017
Redeemable Noncontrolling Interest, Equity [Roll Forward]
October 31, 2017	$ 31.5
Current period mark to redemption value	1.8
Redeemable noncontrolling interest share of income and other	1.9	$ 2.2
Dividends to redeemable noncontrolling interest and other	(1.4)
April 30, 2018	$ 33.8

Financial Instruments and Fair Value Measurements - Recurring Fair Value Measurements (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Apr. 30, 2018	Oct. 31, 2017
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	$ 36.6	$ 29.1
Level 1
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0	0.0
Level 2
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	15.1	8.4
Level 3
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	21.5	20.7
Other long-term assets and other current assets \| Interest rate derivatives
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	16.0	8.9
Other long-term assets and other current assets \| Level 1 \| Interest rate derivatives
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0	0.0
Other long-term assets and other current assets \| Level 2 \| Interest rate derivatives
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	16.0	8.9
Other long-term assets and other current assets \| Level 3 \| Interest rate derivatives
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0	0.0
Other current assets \| Foreign exchange hedges
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.4	0.1
Other current assets \| Cross currency swap
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	2.0
Other current assets \| Level 1 \| Foreign exchange hedges
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0	0.0
Other current assets \| Level 1 \| Cross currency swap
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0
Other current assets \| Level 2 \| Foreign exchange hedges
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.4	0.1
Other current assets \| Level 2 \| Cross currency swap
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	2.0
Other current assets \| Level 3 \| Foreign exchange hedges
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0	0.0
Other current assets \| Level 3 \| Cross currency swap
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0
Other current liabilities \| Foreign exchange hedges
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	(1.4)	(0.6)
Other current liabilities \| Level 1 \| Foreign exchange hedges
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0	0.0
Other current liabilities \| Level 2 \| Foreign exchange hedges
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	(1.4)	(0.6)
Other current liabilities \| Level 3 \| Foreign exchange hedges
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0	0.0
Other long-term assets \| Insurance annuity
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	21.5	20.7
Other long-term assets \| Level 1 \| Insurance annuity
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0	0.0
Other long-term assets \| Level 2 \| Insurance annuity
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0	0.0
Other long-term assets \| Level 3 \| Insurance annuity
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	21.5	$ 20.7
Other long-term liabilities \| Cross currency swap
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	(1.9)
Other long-term liabilities \| Level 1 \| Cross currency swap
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	0.0
Other long-term liabilities \| Level 2 \| Cross currency swap
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	(1.9)
Other long-term liabilities \| Level 3 \| Cross currency swap
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value of assets (liabilities)	$ 0.0