CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flows from Operating Activities
Net income	$ 38,663	$ 24,268
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	7,782	1,153
Deferred income taxes	2,489	6,070
Non-cash equity compensation	6,163	6,344
Depreciation and amortization	16,032	16,575
Non-cash lease expense	(3,361)	(783)
Facilities consolidation reserve	(148)	(141)
Amortization of debt issuance costs	309	403
Impairment of long-lived assets	303
Other adjustments, net	1,365	(863)
Changes in operating assets and liabilities, net of the effects of acquisitions:
Net contract assets and liabilities	(13,698)	(15,050)
Contract receivables	(29,070)	54,729
Prepaid expenses and other assets	(3,108)	(1,866)
Accounts payable	3,667	(65,293)
Accrued salaries and benefits	2,738	4,658
Accrued subcontractors and other direct costs	(37,035)	(9,227)
Accrued expenses and other current liabilities	20,619	(8,685)
Income tax receivable and payable	(7,193)	(8,158)
Other liabilities	(176)	6,667
Net Cash Provided by Operating Activities	6,341	10,801
Cash Flows from Investing Activities
Capital expenditures for property and equipment and capitalized software	(7,475)	(9,015)
Payments for business acquisitions, net of cash acquired		(253,090)
Net Cash Used in Investing Activities	(7,475)	(262,105)
Cash Flows from Financing Activities
Advances from working capital facilities	382,552	914,507
Payments on working capital facilities	(364,395)	(626,159)
Payments on capital expenditure obligations		(1,712)
Receipt of restricted contract funds	75,158
Payment of restricted contract funds	(117,399)
Debt issue costs		(2,084)
Proceeds from exercise of options	2,773	37
Dividends paid	(5,284)	(5,275)
Net payments for stock issuances and buybacks	(18,365)	(23,024)
Payments on business acquisition liabilities	(682)	(1,924)
Net Cash (Used in) Provided by Financing Activities	(45,642)	254,366
Effect of Exchange Rate Changes on Cash, Cash Equivalents, and Restricted Cash	699	(480)
(Decrease) Increase in Cash, Cash Equivalents, and Restricted Cash	(46,077)	2,582
Cash, Cash Equivalents, and Restricted Cash, Beginning of Period	81,987	6,482
Cash, Cash Equivalents, and Restricted Cash, End of Period	35,910	9,064
Supplemental Disclosure of Cash Flow Information
Interest	5,319	7,875
Income taxes	$ 20,714	$ 10,123