XML 33 R37.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2015 USD ($) | Jul. 31, 2014 USD ($) | Jul. 31, 2015 USD ($) | Jul. 31, 2014 USD ($)
Basis Of Presentation And Significant Accounting Policies [Line Items] |  |  |  |
Gain from Venezuela monetary assets and liabilities remeasurement |  |  | $ 4.9 |
Loss for Venezuela non-monetary assets to net realizable value |  |  | 9.3 |
Impairment charge for long-lived assets | $ 17.6 | $ 15.4 | $ 22.3 | $ 15.6
Foreign currency devaluation percentage |  |  | 97.00% |
Venezuelan Property, Plants and Equipment, Net [Member] |  |  |  |
Basis Of Presentation And Significant Accounting Policies [Line Items] |  |  |  |
Impairment charge for long-lived assets | $ 15.0 |  | $ 15.0 |
Official Exchange [Member] |  |  |  |
Basis Of Presentation And Significant Accounting Policies [Line Items] |  |  |  |
Foreign currency exchange rate, remeasurement | 6.4 |  | 6.4 |

X
- Definition Basis Of Presentation And Significant Accounting Policies [Line Items] + References No definition available. + Details
Name: | gef_BasisOfPresentationAndSignificantAccountingPoliciesLineItems
Namespace Prefix: | gef_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of foreign currency devaluation. + References No definition available. + Details
Name: | gef_PercentageOfForeignCurrencyDevaluation
Namespace Prefix: | gef_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reporting currency-denominated expense (including losses) amount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 + Details
Name: | us-gaap_ExpensesAndLossesReportingCurrencyDenominatedValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Foreign exchange rate used to remeasure amounts denominated in a currency other than functional currency into functional currency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 + Details
Name: | us-gaap_ForeignCurrencyExchangeRateRemeasurement1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 225 -Section 45 -Paragraph 11 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51659069&loc=d3e92212-112881 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Impairment -URI http://asc.fasb.org/extlink&oid=6515133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2921-110230 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228 + Details
Name: | us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The reporting currency-denominated revenue (including gains) amount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 + Details
Name: | us-gaap_RevenuesAndGainsReportingCurrencyDenominatedValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_VE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TradingActivityByTypeAxis=gef_OfficialExchangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |