Consolidated Statements of Comprehensive Loss (unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues	$ 152,354	$ 130,085	$ 457,205	$ 381,600
Costs and expenses:
Costs of revenues	100,831	86,080	300,333	251,476
Selling, general and administrative expenses	31,620	28,281	98,953	84,642
Depreciation and amortization	15,910	14,458	48,058	42,245
Total costs and expenses	148,361	128,819	447,344	378,363
Income from operations	3,993	1,266	9,861	3,237
Interest and other expenses, net:
Interest expense, net	7,320	7,136	22,439	20,154
Other (income) expense, net	3	(70)	208	(226)
Gain on interest rate swap	(7)	(54)	(101)	(169)
Realized foreign currency loss		534		534
Total interest and other expenses, net	7,316	7,546	22,546	20,293
Loss before income taxes	(3,323)	(6,280)	(12,685)	(17,056)
Benefit for income taxes	(1,072)	(1,654)	(4,059)	(4,800)
Net loss	(2,251)	(4,626)	(8,626)	(12,256)
Net loss per share:
Basic and diluted (in Dollars per share)	$ (0.06)	$ (0.14)	$ (0.25)	$ (0.36)
Weighted average number of common shares outstanding:
Basic and diluted (in Shares)	35,560,227	34,116,062	34,977,335	34,092,093
Comprehensive Income (Loss):
Net loss	(2,251)	(4,626)	(8,626)	(12,256)
Foreign currency translation adjustments, net of tax	3,046	4,413	(6,936)	5,127
Total comprehensive income (loss)	$ 795	$ (213)	$ (15,562)	$ (7,129)