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Correction of Errors and Restatement - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Oct. 31, 2012 | Oct. 31, 2011
Correction of prior period errors, net of tax | $ 25.6 | $ 18.4

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- Definition Correction of prior period errors. + References No definition available. + Details
Name: | gef_CorrectionOfPriorPeriodErrors
Namespace Prefix: | gef_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration