Derivative Instruments And Hedging Strategies (Effect Of Derivative Instruments) (Details) (Forward Foreign Currency Exchange Contracts [Member], USD $) In Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010
Derivatives Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Net gain (loss) recognized in Other Comprehensive Income (OCI)	$ 7,913	[1]	$ (11,095)	[1]	$ 1,705	[1]	$ (858)	[1]
Net gain (loss) reclassified from accumulated OCI into income	(1,740)	[2]	1,693	[2]	(3,854)	[2]	3,802	[2]
Net gain (loss) recognized in income	(1,164)	[3]	197	[3]	(1,016)	[3]	517	[3]
Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Net gain (loss) recognized in income	$ 1,770	[4]	$ (2,370)	[4]	$ (961)	[4]	$ 892	[4]

[1] Net change in the fair value of the effective portion classified as OCI

[2] Effective portion classified as net product revenue

[3] Ineffective portion and amount excluded from effectiveness testing classified as selling, general and administrative expense

[4] Classified as selling, general and administrative expense