Other (Income) Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Other Income and Expenses [Abstract]
Sale of assets	$ (127)	$ (180)	$ (262)	$ (298)
Results of non-consolidated subsidiaries	(36)	(52)	(80)	(130)
Foreign exchange	1,002	(1,300)	1,842	300
Rents and royalties	(119)	(223)	(255)	(447)
Other, net	1,093	(441)	890	(366)
Total other (income) expense, net	$ 1,813	$ (2,196)	$ 2,135	$ (941)