Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 23,492	$ 18,760	$ 78,832	$ 51,799
Foreign currency translation adjustments	(13,143)	2,806	(11,563)	(7,513)
Comprehensive income	$ 10,349	$ 21,566	$ 67,269	$ 44,286