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Post Retirement Benefit Plans - Actuarial Assumptions Used to Measure Benefit Obligations and Pension Costs (Detail) | 12 Months Ended
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Oct. 31, 2012 | Oct. 31, 2011 | Oct. 31, 2010
Pension Plans, Defined Benefit [Member] |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Discount rate | 3.92% | 4.94% | 5.20%
Expected return on plan assets | 6.46% | 7.20% | 7.50%
Rate of compensation increase | 2.99% | 3.13% | 3.11%
USA [Member] |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Discount rate | 4.00% | 4.90% | 5.50%
Expected return on plan assets | 6.75% | 8.25% | 8.25%
Rate of compensation increase | 3.00% | 3.00% | 3.00%
Germany [Member] |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Discount rate | 3.50% | 5.25% | 5.00%
Rate of compensation increase | 2.75% | 2.75% | 2.75%
United Kingdom [Member] |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Discount rate | 4.25% | 5.00% | 5.25%
Expected return on plan assets | 6.75% | 7.50% | 7.50%
Rate of compensation increase | 3.50% | 4.00% | 4.00%
Netherlands [Member] |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Discount rate | 3.25% | 5.00% | 4.25%
Expected return on plan assets | 5.00% | 4.25% | 6.00%
Rate of compensation increase | 2.25% | 2.25% | 2.25%
Other International [Member] |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Discount rate | 4.89% | 5.55% | 5.44%
Expected return on plan assets | 6.55% | 6.60% | 6.68%
Rate of compensation increase | 2.29% | 2.70% | 3.01%

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- Definition Defined benefit plan assumptions used calculating benefit obligation and net periodic pension costs discount rate. + References No definition available. + Details
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Namespace Prefix: | gef_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Defined benefit plan assumptions used calculating benefit obligation and net periodic pension expected long term return on assets. + References No definition available. + Details
Name: | gef_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationAndNetPeriodicPensionExpectedLongTermReturnOnAssets
Namespace Prefix: | gef_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined benefit plan assumptions used calculating benefit obligation and net periodic pension rate Of compensation increase. + References No definition available. + Details
Name: | gef_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationAndNetPeriodicPensionRateOfCompensationIncrease
Namespace Prefix: | gef_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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