Other (Income) Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other Income and Expenses [Abstract]
Sale of assets	$ (100)	$ (442)	$ (362)	$ (740)
Results of non-consolidated subsidiaries	(131)	(165)	(211)	(295)
Foreign exchange	2,612	1,858	4,454	2,158
Rents and royalties	(115)	(209)	(370)	(656)
Other, net	66	(115)	956	(481)
Total other (income) expense, net	$ 2,332	$ 927	$ 4,467	$ (14)