Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 26,201	$ 21,509	$ 42,544	$ 31,560
Other comprehensive income (loss):
Translation adjustment, net of tax benefit (expense) of ($90), $75, ($129) and $3, respectively, for each period on the right	(4,478)	7,626	5,011	(8,702)
Comprehensive income	$ 21,723	$ 29,135	$ 47,555	$ 22,858