Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 1,771	$ 1,912
Accounts receivable, net of allowance of $34,535 and $26,828	326,240	369,690
Contract assets, net of allowance of $404 and $0	12,484	11,682
Taxes receivable	27,818	37,460
Deferred costs	11,821	15,321
Prepaid expenses and other	18,203	12,715
Indemnification asset	25,911	29,789
Total current assets	424,248	478,569
Fixed assets and capitalized software, net	86,429	101,512
Operating lease right-of-use assets, net	20,015	39,046
Goodwill	609,457	609,457
Intangible assets, net	60,561	147,480
Debt issuance costs	2,760	3,451
Other assets	10,576	8,777
Total assets	1,214,046	1,388,292
Current liabilities
Accounts payable	16,215	16,067
Accrued liabilities	165,903	140,261
Current portion of financing obligations	698	580
Current portion of operating lease liability	5,947	9,579
Accrued interest	9,899	13,164
Current portion of unrecognized tax benefits	32,259	53,111
Contract liabilities	18,769	24,679
Total current liabilities	249,690	257,441
Senior Term Loan, net of debt issuance costs of $482 and $593	348,528	420,036
Senior Term Loan, related party	155,600	189,371
ABL Facility	81,641	104,985
Financing obligations, net of current portion	55,005	55,537
Pension obligations, net	198,290	193,533
Stock option liability	37,661	43,026
Long-term disability insurance	10,003	10,874
Deferred tax liabilities	12,391	54,738
Unrecognized tax benefits, net of current portion	1,911	1,833
Operating lease liability, net of current portion	25,848	28,783
Other liabilities	623	875
Total long-term liabilities	927,501	1,103,591
Commitments and contingencies
Stockholders' equity
Common stock - $0.01 par value, 250,000,000 shares authorized; 57,469,391, shares issued and 30,903,450 shares outstanding at September 30, 2020; and 57,443,282 shares issued and 33,490,526 shares outstanding at December 31, 2019	575	574
Additional paid-in capital	1,008,243	1,008,701
Treasury stock - 26,565,941 shares at September 30, 2020 and 23,952,756 shares at December 31, 2019	(467,331)	(437,962)
Accumulated deficit	(504,632)	(544,053)
Total stockholders' equity	36,855	27,260
Total liabilities and stockholders' equity	$ 1,214,046	$ 1,388,292