Consolidated Statement of Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
REVENUES	$ 839,743	$ 747,718	$ 857,916
COST OF REVENUES	732,055	667,989	741,378
Gross Profit	107,688	79,729	116,538
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	72,480	71,711	71,949
AMORTIZATION EXPENSE	1,515	1,580	493
Operating Income	33,693	6,438	44,096
OTHER EXPENSE	215	139	69
INTEREST EXPENSE	20,716	21,087	20,945
Income (Loss) Before Provision (Benefit) for Income Taxes	12,762	(14,788)	23,082
PROVISION (BENEFIT) FOR INCOME TAXES	5,131	(2,337)	(26,948)
NET INCOME (LOSS)	7,631	(12,451)	50,030
Less: Non-controlling interest in subsidiary's income (loss)	1	(6)	(47)
NET INCOME (LOSS) ATTRIBUTABLE TO CVG STOCKHOLDERS	$ 7,630	$ (12,445)	$ 50,077
EARNINGS (LOSS) PER COMMON SHARE:
Basic	$ 0.26	$ (0.44)	$ 1.77
Diluted	$ 0.26	$ (0.44)	$ 1.76
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic	28,926	28,584	28,230
Diluted	29,117	28,584	28,428