Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net income	$ 27,489	$ 3,316
Other comprehensive income, net of tax:
Foreign currency translation adjustment, net of taxes of $(222) and $(2,451), respectively	9,695	5,589
Net unrealized gains (losses) on foreign currency cash flow hedges, net of taxes of $213 and $931, respectively	(387)	(1,690)
Reclassification adjustment for realized losses (gains) in current earnings, net of taxes of $(24) and $(66), respectively	43	120
Total other comprehensive income	9,351	4,019
Comprehensive Income	$ 36,840	$ 7,335