Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 15,785	$ 2,406
Accounts receivable, net of allowance of $21,450 and $33,030	312,457	296,570
Contract assets, net of allowance of $157 and $338	8,415	10,975
Taxes receivable	1,890	9,229
Prepaid expenses and other current assets	36,370	26,172
Indemnification asset	25,190	24,346
Total current assets	400,107	369,698
Fixed assets and capitalized software, net	76,315	89,044
Goodwill	678,793	609,457
Intangible assets, net	123,907	31,777
Deferred tax assets	106,069	93,099
Other assets	26,944	21,902
Total assets	1,412,135	1,214,977
Current liabilities
Accounts payable	30,024	8,927
Accrued liabilities	168,602	139,613
Current portion of unrecognized tax benefits	30,615	30,022
Contract liabilities	32,233	18,942
New Term Loan, current	70,000	0
Other current liabilities	12,898	9,896
Total current liabilities	344,372	207,400
Term Loan	365,189	335,683
Term loan, related party	154,697	113,482
ABL Facility	58,022	79,238
Leaseback obligations	0	54,798
Pension obligations, net	174,217	190,827
Deferred tax liabilities	1,179	508
Other liabilities	44,756	36,266
Total long-term liabilities	798,060	810,802
Commitments and contingencies
Stockholders' equity
Common stock - $0.01 par value, 250,000,000 shares authorized; 60,391,597, shares issued and 33,713,187 shares outstanding at June 30, 2021; and 59,590,422 shares issued and 32,912,012 shares outstanding at December 31, 2020	604	596
Additional paid-in capital	1,076,124	1,059,624
Treasury stock - 26,678,410 shares at June 30, 2021 and December 31, 2020	(468,613)	(468,613)
Accumulated other comprehensive income (loss)	(4,445)	0
Accumulated deficit	(333,967)	(394,832)
Total stockholders' equity	269,703	196,775
Total liabilities and stockholders' equity	$ 1,412,135	$ 1,214,977