Consolidated Statements Of Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues	$ 747,718	$ 857,916	$ 832,022
COST OF REVENUES	667,989	741,378	716,430
Gross Profit	79,729	116,538	115,592
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	71,711	71,949	65,521
AMORTIZATION EXPENSE	1,580	493	346
RESTRUCTURING COSTS			669
Operating Income	6,438	44,096	49,056
OTHER EXPENSE	139	69	353
INTEREST EXPENSE	21,087	20,945	19,570
Loss on early extinguishment of debt			7,448
(Loss) Income Before (Benefit) Provision for Income Taxes	(14,788)	23,082	21,685
(BENEFIT) PROVISION FOR INCOME TAXES	(2,337)	(26,948)	3,095
NET (LOSS) INCOME	(12,451)	50,030	18,590
Less: Non-controlling interest in subsidiary's loss	(6)	(47)	(15)
NET (LOSS) INCOME ATTRIBUTABLE TO CVG STOCKHOLDERS	$ (12,445)	$ 50,077	$ 18,605
EARNINGS (LOSS) PER COMMON SHARE:
Basic	$ (0.44)	$ 1.77	$ 0.67
Diluted	$ (0.44)	$ 1.76	$ 0.66
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic	28,584	28,230	27,848
Diluted	28,584	28,428	28,190