Goodwill and Intangible Assets, Net (Details 2) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Changes in the carrying amount of goodwill
Balance at the beginning of the period			$ 70,069
Reclassifications			(227)
Foreign exchange			2,269
Balance at the end of the period	72,111	72,163	72,111	72,163
Changes in the carrying amount of intangible assets
Balance at the beginning of the period			23,466
Amortization	(1,100)	(1,200)	(2,209)	(2,500)
Foreign exchange			794
Balance at the end of the period	$ 22,051	$ 23,156	$ 22,051	$ 23,156