Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 7,061	$ 7,631	$ (12,451)
Other comprehensive (loss) income:
Foreign currency translation adjustments	(4,572)	(4,600)	(4,338)
Minimum pension liability, net of tax	2,206	(6,380)	5,910
Other comprehensive (loss) income	(2,366)	(10,980)	1,572
Comprehensive income (loss)	4,695	(3,349)	(10,879)
Less: Comprehensive income (loss) attributed to noncontrolling interests	(35)	1	(11)
Comprehensive income (loss) attributable to CVG stockholders	$ 4,730	$ (3,350)	$ (10,868)