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Derivative Instruments And Hedging Activities (Summary Of The Effect Of Derivative Instruments On The Condensed Consolidated Statements Of Operations) (Details) (Other Income (Expense), Net [Member], Derivatives Not Designated As Hedging Instruments [Member], Foreign Currency Forward Contracts [Member], USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Other Income (Expense), Net [Member] \| Derivatives Not Designated As Hedging Instruments [Member] \| Foreign Currency Forward Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Results of Operations	$ (1,119)	$ 2,568	$ 840	$ (2,498)

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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