XML 124 R108.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Earnings Per Share - Computation of Class Based Basic and Diluted Earnings Per Share (Detail) | 12 Months Ended
--- | ---
Oct. 31, 2016
Class A Common Stock |
Class of Stock [Line Items] |
Basic and Diluted EPS, class based | 40.00%
Class B Common Stock |
Class of Stock [Line Items] |
Basic and Diluted EPS, class based | 60.00%

X
- Definition Percentage of shares outstanding used in two class method calculation. + References No definition available. + Details
Name: | gef_PercentageOfSharesOutstandingUsedInTwoClassMethodCalculation
Namespace Prefix: | gef_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ClassOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |