Condensed Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Net sales	$ 915.9us-gaap_SalesRevenueNet	$ 1,065.5us-gaap_SalesRevenueNet	$ 1,818.2us-gaap_SalesRevenueNet	$ 2,067.0us-gaap_SalesRevenueNet
Cost of products sold	734.8us-gaap_CostOfGoodsAndServicesSold	861.2us-gaap_CostOfGoodsAndServicesSold	1,483.2us-gaap_CostOfGoodsAndServicesSold	1,676.6us-gaap_CostOfGoodsAndServicesSold
Gross profit	181.1us-gaap_GrossProfit	204.3us-gaap_GrossProfit	335.0us-gaap_GrossProfit	390.4us-gaap_GrossProfit
Selling, general and administrative expenses	108.5	132.7	220.3	254.0
Restructuring charges	7.3us-gaap_RestructuringCharges	3.9us-gaap_RestructuringCharges	10.5us-gaap_RestructuringCharges	6.3us-gaap_RestructuringCharges
Timberland gains		(8.7)us-gaap_GainLossOnSaleOfTimberProperty	(24.3)us-gaap_GainLossOnSaleOfTimberProperty	(17.1)us-gaap_GainLossOnSaleOfTimberProperty
Non-cash asset impairment charges	4.5		4.7	0.2
Gain on disposal of properties, plants and equipment, net	(0.7)	(1.5)	(2.3)	(4.1)
(Gain) loss on disposal of businesses, net	10.4us-gaap_GainLossOnDispositionOfAssets1	(1.2)us-gaap_GainLossOnDispositionOfAssets1	9.6us-gaap_GainLossOnDispositionOfAssets1	0.6us-gaap_GainLossOnDispositionOfAssets1
Operating profit	51.1us-gaap_OperatingIncomeLoss	79.1us-gaap_OperatingIncomeLoss	116.5us-gaap_OperatingIncomeLoss	150.5us-gaap_OperatingIncomeLoss
Interest expense, net	18.2	20.4	37.8	40.8
Other expense, net	2.5us-gaap_OtherNonoperatingIncomeExpense	2.2us-gaap_OtherNonoperatingIncomeExpense	2.6us-gaap_OtherNonoperatingIncomeExpense	5.0us-gaap_OtherNonoperatingIncomeExpense
Income before income tax expense and equity earnings of unconsolidated affiliates, net	30.4	56.5	76.1	104.7
Income tax expense	9.6us-gaap_IncomeTaxExpenseBenefit	19.5us-gaap_IncomeTaxExpenseBenefit	27.1us-gaap_IncomeTaxExpenseBenefit	36.0us-gaap_IncomeTaxExpenseBenefit
Equity earnings (losses) of unconsolidated affiliates, net of tax	(0.3)	0.1	(0.3)	0.2
Net income	20.5us-gaap_ProfitLoss	37.1us-gaap_ProfitLoss	48.7us-gaap_ProfitLoss	68.9us-gaap_ProfitLoss
Net loss attributable to noncontrolling interests	0.3	1.3	2.2	0.2
Net income attributable to Greif, Inc.	$ 20.8us-gaap_NetIncomeLoss	$ 38.4us-gaap_NetIncomeLoss	$ 50.9us-gaap_NetIncomeLoss	$ 69.1us-gaap_NetIncomeLoss
Class A Common Stock [Member]
Basic earnings per share attributable to Greif, Inc. common shareholders:
EPS Basic	$ 0.35	$ 0.65	$ 0.87	$ 1.18
Diluted earnings per share attributable to Greif, Inc. common shareholders:
EPS Diluted	$ 0.35	$ 0.65	$ 0.87	$ 1.18
Weighted-average number of common shares outstanding:
Basic	25,678,393	25,540,341	25,643,139	25,505,348
Diluted	25,688,653	25,560,846	25,652,796	25,525,736
Cash dividends declared per common share:
Cash dividends per share	$ 0.42	$ 0.42	$ 0.84	$ 0.84
Class B Common Stock [Member]
Basic earnings per share attributable to Greif, Inc. common shareholders:
EPS Basic	$ 0.53	$ 0.98	$ 1.29	$ 1.76
Diluted earnings per share attributable to Greif, Inc. common shareholders:
EPS Diluted	$ 0.53	$ 0.98	$ 1.29	$ 1.76
Weighted-average number of common shares outstanding:
Basic	22,100,000	22,100,000	22,100,000	22,100,000
Diluted	22,100,000	22,100,000	22,100,000	22,100,000
Cash dividends declared per common share:
Cash dividends per share	$ 0.63	$ 0.63	$ 1.25	$ 1.25

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770