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Derivative Instruments (Outstanding Foreign Currency Forward Contracts) (Details) (USD $) In Thousands, unless otherwise specified | Aug. 31, 2014 | Nov. 30, 2013
--- | --- | ---
Derivative [Line Items] |  |
Notional Value | $ 35,554 | $ 48,499
Total, Fair Value | (231) | 171
Forward contracts to sell U.S. dollars [Member] |  |
Derivative [Line Items] |  |
Notional Value | 25,458 | 26,016
Foreign currency derivative contracts to purchase U.S. dollars, Fair Value | 35 | 79
Forward contracts to purchase U.S. dollars [Member] |  |
Derivative [Line Items] |  |
Notional Value | 10,096 | 22,483
Foreign currency derivative contracts to purchase U.S. dollars, Fair Value | $ (266) | $ 92

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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Balance Type: | na
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- Details
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- Definition Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Fair value as of the balance sheet date of foreign currency derivative assets, net of foreign currency derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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