Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 10,312	$ 25,615
Restricted cash	4,913	18,239
Accounts receivable, net of allowance for doubtful accounts of $7,021 and $4,359, respectively	260,438	270,812
Related party receivables	42	0
Inventories, net	16,996	16,220
Prepaid expenses and other current assets	22,695	25,015
Total current assets	315,396	355,901
Property, plant and equipment, net of accumulated depreciation of $171,913 and $154,060, respectively	119,469	132,986
Operating lease right-of-use assets, net	93,352
Goodwill	609,458	708,258
Intangible assets, net	374,445	407,021
Deferred income tax assets	15,830	16,225
Other noncurrent assets	13,557	19,391
Total assets	1,541,507	1,639,782
Current liabilities
Accounts payables	93,815	99,853
Related party payables	274	7,735
Income tax payable		1,996
Accrued liabilities	60,994	66,008
Accrued compensation and benefits	51,819	54,583
Accrued interest	24,602	49,071
Customer deposits	30,161	34,235
Deferred revenue	17,368	16,504
Obligation for claim payment	43,267	56,002
Current portion of finance lease liabilities	15,172
Current portion of finance lease liabilities, ASC 840		17,498
Current portion of operating lease liabilities	26,604
Current portion of long-term debts	37,237	29,237
Total current liabilities	401,313	432,722
Long-term debt, net of current maturities	1,367,583	1,306,423
Finance lease liabilities, net of current portion	24,159
Finance lease liabilities, net of current portion, ASC 840		26,738
Pension liabilities	26,667	25,269
Deferred income tax liabilities	12,677	11,212
Long-term income tax liabilities	2,892	3,024
Operating lease liabilities, net of current portion	71,661
Other long-term liabilities	7,866	15,400
Total liabilities	1,914,818	1,820,788
Commitments and Contingencies (Note 10)
Stockholders' equity (deficit)
Common stock, par value of $0.0001 per share; 1,600,000,000 shares authorized; 153,486,011 shares issued and 150,698,864 shares outstanding at September 30, 2019 and 152,692,140 shares issued and 150,142,955 shares outstanding at December 31, 2018	15	15
Preferred stock, par value of $0.0001 per share; 20,000,000 shares authorized; 4,419,233 shares issued and outstanding at September 30, 2019 and 4,569,233 shares issued and outstanding at December 31, 2018	1	1
Additional paid in capital	482,018	482,018
Less: common stock held in treasury, at cost; 2,787,147 shares at September 30, 2019 and 2,549,185 shares December 31, 2018	(10,949)	(10,342)
Equity-based compensation	48,411	41,731
Accumulated deficit	(876,043)	(678,563)
Accumulated other comprehensive loss:
Foreign currency translation adjustment	(7,786)	(6,565)
Unrealized pension actuarial losses, net of tax	(8,978)	(9,301)
Total accumulated other comprehensive loss	(16,764)	(15,866)
Total stockholders’ deficit	(373,311)	(181,006)
Total liabilities and stockholders’ deficit	$ 1,541,507	$ 1,639,782