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Correction of Errors and Restatement - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	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