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Redeemable Noncontrolling Interests - Additional Information (Detail) | 9 Months Ended
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Jul. 31, 2017 joint_venture
Paper Packaging & Services |
Redeemable Noncontrolling Interest [Line Items] |
Number of joint ventures (joint venture) | 1
Rigid Industrial Packaging & Services |
Redeemable Noncontrolling Interest [Line Items] |
Number of joint ventures (joint venture) | 1

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

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=gef_PaperPackagingAndServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=gef_RigidIndustrialPackagingAndServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |