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Financial Assets And Liabilities (Ineffective Portion And Portion Excluded From Effectiveness Testing Of Derivative Hedge Gains (Losses)) (Details) (Foreign Exchange Contracts [Member], USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||||||
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Oct. 31, 2011
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Oct. 31, 2010
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Foreign Exchange Contracts [Member]
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| Financial Assets And Liabilities [Line Items] | ||||||||
| Amount of gain recognized in statement of operations on derivatives (ineffective portion) | $ 74 | [1] | $ 788 | [1] | ||||
| Amount of (loss) recognized in statement of operations on derivatives (excluded from effectiveness testing) | $ 241 | [2] | $ (1,051) | [2] | ||||
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