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Quarterly Financial Data - Additional information (Detail) | 12 Months Ended
--- | ---
Oct. 31, 2012 Shareholder
Class A Common Stock [Member] |
Number of stockholders | 433
Class B Common Stock [Member] |
Number of stockholders | 109

X
- Definition Number of stockholders. + References No definition available. + Details
Name: | gef_NumberOfStockholders
Namespace Prefix: | gef_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration