Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net Income	$ 6,990	$ 8,300
Other comprehensive income
Defined benefit pension and postretirement plans, net of tax	170	150
Foreign currency translation	1,800	(2,660)
Derivative instruments, net of tax	380	(2,960)
Total other comprehensive income (loss)	2,350	(5,470)
Total comprehensive income	$ 9,340	$ 2,830