Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 8,254	$ 13,841
Restricted cash - current	12,179	68,146
Contract receivables, net	237,684	222,850
Contract assets	137,867	143,369
Prepaid expenses and other assets	42,354	25,492
Income tax receivable	10,825	1,977
Total Current Assets	449,163	475,675
Total Property and Equipment, net	52,053	62,434
Other Assets:
Goodwill	1,046,760	909,913
Other intangible assets, net	79,645	59,887
Operating lease - right-of-use assets	177,417	127,132
Other assets	44,496	32,249
Total Assets	1,849,534	1,667,290
Current Liabilities:
Current portion of long-term debt	10,000	10,000
Accounts payable	105,652	91,365
Contract liabilities	39,665	42,050
Operating lease liabilities - current	34,901	23,350
Accrued salaries and benefits	85,517	80,512
Accrued subcontractors and other direct costs	39,400	78,842
Accrued expenses and other current liabilities	61,496	100,908
Total Current Liabilities	376,631	427,027
Long-term Liabilities:
Long-term debt	411,605	303,214
Operating lease liabilities - non-current	191,805	115,614
Deferred income taxes	41,913	34,330
Other long-term liabilities	24,110	40,144
Total Liabilities	1,046,064	920,329
Commitments and Contingencies (Note 20)
Stockholders’ Equity:
Preferred stock, par value $.001 per share; 5,000,000 shares authorized; none issued
Common stock, $.001 par value; 70,000,000 shares authorized; 23,535,671 and 23,305,255 shares issued; and 18,876,490 and 18,909,983 shares outstanding at December 31, 2021 and 2020, respectively	23	23
Additional paid-in capital	384,984	369,058
Retained earnings	649,298	588,731
Treasury stock, 4,659,181 and 4,395,272 shares at December 31, 2021 and 2020, respectively	(219,800)	(196,745)
Accumulated other comprehensive loss	(11,035)	(14,106)
Total Stockholders’ Equity	803,470	746,961
Total Liabilities and Stockholders’ Equity	$ 1,849,534	$ 1,667,290