Goodwill And Intangible Assets (Changes In Intangible Assets, Net Of Accumulated Amortization) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011
Goodwill And Intangible Assets [Abstract]
Net balance at January 1, 2011	$ 53,880
Amortization expense	(4,419)
Currency translation	(361)
Net balance at September 30, 2011	$ 49,100