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Fair Value Measurements And Derivatives Instruments (Gain Or (Loss) Recognized In Income On Derivatives Not Designated As Hedging Instruments) (Details) (Foreign Currency Contracts [Member], Other Income/(Expense) [Member], USD $) In Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2011	Aug. 31, 2010	Aug. 31, 2011	Aug. 31, 2010
Foreign Currency Contracts [Member] \| Other Income/(Expense) [Member]
Amount of Gain or (Loss) Recognized in Income on Derivative	$ (109)	$ (3,250)	$ (7,678)	$ 11,552

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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