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Financial Assets And Liabilities (Fair Values Of Derivative Instruments Designated And Non-Designated As Hedging Instruments) (Details) (USD $)
In Thousands, unless otherwise specified |
Oct. 31, 2011
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Oct. 31, 2010
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Designated As Hedging Instrument [Member] | Other Current Assets [Member]
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| Financial Assets And Liabilities [Line Items] | ||
| Fair values of derivative assets | $ 2,161 | $ 5,680 |
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Designated As Hedging Instrument [Member] | Other Current Liabilities [Member]
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| Financial Assets And Liabilities [Line Items] | ||
| Fair values of derivative liabilities | 16,827 | 11,626 |
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Non-Designated Hedging Contracts [Member] | Other Current Liabilities [Member]
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| Financial Assets And Liabilities [Line Items] | ||
| Fair values of derivative liabilities | $ 29 | $ 1,554 |