Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net income	$ 3,316	$ 36,282
Other comprehensive income, net of tax:
Foreign currency translation adjustment, net of taxes of $(2,451) and $(6,453), respectively	5,589	(10,050)
Net unrealized gains (losses) on foreign currency cash flow hedges, net of taxes of $931 and $(221), respectively	(1,690)	402
Reclassification adjustment for realized losses (gains) in current earnings, net of taxes of $(66) and $445, respectively	120	(807)
Total other comprehensive income	4,019	(10,455)
Comprehensive Income	$ 7,335	$ 25,827