CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net income	$ 23,017	$ 16,307	$ 41,444	$ 33,883
Other comprehensive income (loss):
Foreign currency translation adjustment	2,432	(2,033)	(2,016)	(2,727)
Deferred income tax (expense) benefit	(664)	712	706	954
Other comprehensive income (loss), net of tax	1,768	(1,321)	(1,310)	(1,773)
Comprehensive income	$ 24,785	$ 14,986	$ 40,134	$ 32,110