CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash Flows from Operating Activities
Net income	$ 59,053	$ 42,139
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	11,324	1,517
Deferred income taxes	4,062	7,838
Non-cash equity compensation	9,756	9,472
Depreciation and amortization	23,712	25,229
Non-cash lease expense	(4,743)	(1,540)
Facilities consolidation reserve	(225)	(214)
Amortization of debt issuance costs	463	557
Impairment of long-lived assets	339
Other adjustments, net	1,818	(738)
Changes in operating assets and liabilities, net of the effects of acquisitions:
Net contract assets and liabilities	(16,381)	2,842
Contract receivables	(6,688)	49,428
Prepaid expenses and other assets	(9,224)	1,084
Accounts payable	5,653	(65,044)
Accrued salaries and benefits	10,377	29,418
Accrued subcontractors and other direct costs	(36,436)	(7,622)
Accrued expenses and other current liabilities	17,002	(9,107)
Income tax receivable and payable	(3,490)	(4,380)
Other liabilities	(1,609)	14,292
Net Cash Provided by Operating Activities	64,763	95,171
Cash Flows from Investing Activities
Capital expenditures for property and equipment and capitalized software	(12,279)	(12,910)
Payments for business acquisitions, net of cash acquired		(253,090)
Net Cash Used in Investing Activities	(12,279)	(266,000)
Cash Flows from Financing Activities
Advances from working capital facilities	559,830	946,201
Payments on working capital facilities	(593,775)	(736,645)
Payments on capital expenditure obligations		(1,712)
Receipt of restricted contract funds	194,504
Payment of restricted contract funds	(227,700)
Debt issue costs		(2,093)
Proceeds from exercise of options	2,773	37
Dividends paid	(7,923)	(7,910)
Net payments for stock issuances and buybacks	(18,695)	(23,247)
Payments on business acquisition liabilities	(682)	(1,924)
Net Cash (Used in) Provided by Financing Activities	(91,668)	172,707
Effect of Exchange Rate Changes on Cash, Cash Equivalents, and Restricted Cash	(501)	(123)
(Decrease) Increase in Cash, Cash Equivalents, and Restricted Cash	(39,685)	1,755
Cash, Cash Equivalents, and Restricted Cash, Beginning of Period	81,987	6,482
Cash, Cash Equivalents, and Restricted Cash, End of Period	42,302	8,237
Supplemental Disclosure of Cash Flow Information
Interest	7,882	11,331
Income taxes	$ 25,062	11,138
Non-cash investing and financing transactions:
Tenant improvements funded by lessor		$ 2,207