Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net Income	$ 13,120	$ 19,090
Other comprehensive income
Defined benefit plans	150	100
Foreign currency translation	(8,260)	700
Derivative instruments	4,430	2,220
Total other comprehensive income (loss)	(3,680)	3,020
Total comprehensive income	$ 9,440	$ 22,110