UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Net revenue	$ 224,542	$ 247,224	$ 695,466	$ 738,478
Cost of revenue (excluding depreciation expense)	161,957	181,991	504,485	543,472
Gross profit	62,585	65,233	190,981	195,006
Other operating expenses	42,729	42,155	123,006	127,120
Bad debt expense	7,727	9,366	19,598	32,832
General and administrative expenses	9,948	8,547	30,413	31,881
Impairment of goodwill	0	13,850	0	251,850
Restructuring, acquisition, integration, and other expenses, net	2,368	5,368	9,326	15,041
Depreciation and amortization expense	4,166	5,473	12,956	17,517
Interest expense, net	9,331	9,506	28,212	27,750
Gain on dispositions	(3,015)	(2)	(3,954)	(5)
Loss from continuing operations, before income taxes	(10,669)	(29,030)	(28,576)	(308,980)
Income tax expense (benefit)	421	(4,551)	593	(22,544)
Loss from continuing operations, net of income taxes	(11,090)	(24,479)	(29,169)	(286,436)
Income (loss) from discontinued operations, net of income taxes	(174)	7,698	134	5,172
Net loss	(11,264)	(16,781)	(29,035)	(281,264)
Accrued dividends on preferred stock	(2,138)	(1,899)	(6,192)	(4,157)
Deemed dividends on preferred stock	(173)	(169)	(518)	(3,519)
Loss attributable to common stockholders	$ (13,575)	$ (18,849)	$ (35,745)	$ (288,940)
Loss per common share:
Loss from continuing operations, basic and diluted (in dollars per share)	$ (0.12)	$ (0.39)	$ (0.42)	$ (4.28)
Loss from discontinued operations, basic and diluted (in dollars per share)	0.00	0.11	0.00	0.08
Loss per common share, basic and diluted (in dollars per share)	$ (0.12)	$ (0.28)	$ (0.42)	$ (4.20)
Weighted average common shares outstanding
Weighted average number of common shares outstanding, basic and diluted (in shares)	114,826	68,742	85,701	68,693