Other (Income) Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Other Income and Expenses [Abstract]
Sale of assets	$ (122)	$ (127)	$ (488)	$ (262)
Results of non-consolidated subsidiaries	(136)	(36)	(324)	(80)
Foreign exchange	433	1,002	1,212	1,842
Rents and royalties	(98)	(119)	(199)	(255)
Other, net	(124)	1,093	(252)	890
Total other (income) expense, net	$ (47)	$ 1,813	$ (51)	$ 2,135