Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Net income	$ 9,493	$ 7,713	$ 17,566	$ 11,968
Other comprehensive income (loss), net of tax of $(47) and $(154) for the three months ended June 30, 2011 and 2010, respectively and $129 and $956 for the six months ended June 30, 2011 and 2010, respectively:
Foreign currency translation adjustment	1,207	(4,507)	5,076	(6,014)
Comprehensive income	$ 10,700	$ 3,206	$ 22,642	$ 5,954