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Long-Term Debt (United States Trade Accounts Receivable Credit Facility) - Additional Information (Detail) (USD $) | 12 Months Ended | 1 Months Ended |
--- | --- | --- | ---
Oct. 31, 2014 | Sep. 30, 2013 | Sep. 19, 2011
United States Trade Accounts Receivable Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Amount borrowed under multi currency credit facility |  | 170,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
Maturity date of credit facility | 2016-09 |  |
Senior notes issued |  |  | $ 130,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember
Maturity date of credit facility | Sep. 19, 2014 |  |
Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Interest coverage ratio | 3.00 gef_DebtInstrumentCovenantInterestCoverageRatio / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Maximum [Member] | United States Trade Accounts Receivable Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Interest coverage ratio |  | 3.00 gef_DebtInstrumentCovenantInterestCoverageRatio / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember / us-gaap_RangeAxis = us-gaap_MaximumMember |

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- Definition Debt Instrument Covenant Interest Coverage Ratio + References No definition available. + Details
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- Definition Debt Instrument Maturity Year And Month + References No definition available. + Details
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Balance Type: | na
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- Definition Line of credit facility expiry date. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | credit
Period Type: | instant

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- Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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Balance Type: | credit
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Period Type: |