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Goodwill and Other Intangible Assets - Summary of Changes in Carrying Amount of Goodwill by Segment (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended		12 Months Ended
	Apr. 30, 2015		Oct. 31, 2014
Goodwill [Line Items]
Goodwill beginning balance	$ 880.2us-gaap_Goodwill
Goodwill allocated to divestitures and businesses held for sale	(8.9)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit
Goodwill Impairment charge	(0.5)us-gaap_GoodwillImpairmentLoss
Currency translation	(57.4)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments
Goodwill ending balance	813.4us-gaap_Goodwill
Rigid Industrial Packaging & Services [Member]
Goodwill [Line Items]
Goodwill beginning balance	820.7us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = gef_RigidIndustrialPackagingAndServicesMember	[1]
Goodwill allocated to divestitures and businesses held for sale	(8.9)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = gef_RigidIndustrialPackagingAndServicesMember	[1]
Goodwill Impairment charge	(0.5)us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = gef_RigidIndustrialPackagingAndServicesMember	[1]	0us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = gef_RigidIndustrialPackagingAndServicesMember
Currency translation	(57.4)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = gef_RigidIndustrialPackagingAndServicesMember	[1]
Goodwill ending balance	753.9us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = gef_RigidIndustrialPackagingAndServicesMember	[1]	820.7us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = gef_RigidIndustrialPackagingAndServicesMember	[1]
Paper Packaging [Member]
Goodwill [Line Items]
Goodwill ending balance	$ 59.5us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = gef_PaperPackagingMember		$ 59.5us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = gef_PaperPackagingMember
[1] At April 30, 2015 and October 31, 2014, the accumulated goodwill impairment loss was $0.5 million and $0.0 million, respectively.

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267



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X

- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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X

- Definition

Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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