Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net Income	$ 8,780	$ 11,710	$ 27,560	$ 27,400
Other comprehensive income
Defined benefit pension and postretirement plans, net of tax	140	200	440	2,930
Foreign currency translation	(1,550)	(4,760)	(8,290)	(10,420)
Derivative instruments, net of tax	630	(3,180)	(3,660)	(3,890)
Total other comprehensive income (loss)	(780)	(7,740)	(11,510)	(11,380)
Total comprehensive income	$ 8,000	$ 3,970	$ 16,050	$ 16,020