XML 22 R79.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Subsequent Event - Additional Information (Detail) (Subsequent Event [Member], USD $) | 0 Months Ended
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Mar. 03, 2015
Minimum [Member] |
Schedule of Reverse Stock Split [Line Items] |
Restructuring costs | $ 10,000,000 us-gaap_RestructuringCosts / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Maximum [Member] |
Schedule of Reverse Stock Split [Line Items] |
Restructuring costs | $ 15,000,000 us-gaap_RestructuringCosts / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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- Details
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Namespace Prefix: | gef_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_RestructuringCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration