Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 26,882	$ 39,000
Restricted cash	12,549	42,489
Accounts receivable, net of allowance for doubtful accounts of $4,077 and $3,725, respectively	238,680	229,704
Inventories, net	13,519	11,922
Prepaid expenses and other current assets	27,520	24,596
Total current assets	319,150	347,711
Property, plant and equipment, net	132,870	132,908
Goodwill	747,325	747,325
Intangible assets, net	438,929	464,984
Deferred income tax assets	9,171	9,019
Other noncurrent assets	18,490	12,891
Total assets	1,665,935	1,714,838
Current liabilities
Accounts payable	77,194	81,263
Related party payables	14,172	14,445
Income tax payable	6,967	3,612
Accrued liabilities	31,805	49,383
Accrued compensation and benefits	49,738	46,925
Accrued interest	23,795	55,102
Customer deposits	36,542	31,656
Deferred revenue	15,933	12,709
Obligation for claim payment	56,554	42,489
Current portion of capital lease obligations	14,785	15,611
Current portion of long-term debt	21,170	20,565
Total current liabilities	348,655	373,760
Long-term debt, net of current maturities	1,277,029	1,276,094
Capital lease obligations, net of current maturities	26,474	25,958
Pension liability	26,081	25,496
Deferred income tax liabilities	5,478	5,362
Long-term income tax liability	3,470	3,470
Other long-term liabilities	13,879	14,704
Total liabilities	1,701,066	1,724,844
Commitment and Contingencies (Note 9)
Stockholders' deficit
Common stock, par value of $0.0001 per share; 1,600,000,000 shares authorized; 152,565,218 shares issued and 152,515,918 outstanding at March 31, 2018 and 150,578,451 shares issued and 150,529,151 outstanding at December 31, 2017	15	15
Preferred stock, par value of $0.0001 per shares; 20,000,000 shares authorized; 4,569,233 shares issued and outstanding at March 31, 2018 and 6,194,233 shares issued and outstanding at December 31, 2017	1	1
Additional paid in capital	482,018	482,018
Less: common stock held in treasury, at cost; 49,300 shares at March 31, 2018 and 49,300 shares at December 31, 2017	(249)	(249)
Equity based compensation	35,044	34,085
Accumulated deficit	(540,041)	(514,628)
Accumulated other comprehensive loss:
Foreign currency translation adjustment	(462)	(194)
Unrealized pension actuarial losses, net of tax	(11,457)	(11,054)
Total accumulated other comprehensive loss	(11,919)	(11,248)
Total stockholders' deficit	(35,131)	(10,006)
Total liabilities and stockholders' deficit	$ 1,665,935	$ 1,714,838

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Balance Type:	credit
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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.