Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating Activities
Net income	$ 11,555	$ 26,800
Adjustments to reconcile net income to net cash provided by operations:
Depreciation	2,011	2,305
Amortization	4,886	5,817
Deferred income taxes	(796)	(1,885)
Non-cash stock compensation and retirement savings plan contributions	12,222	6,674
Amortization of debt issuance costs	631	608
Adjustment to fair value of contingent consideration for purchase of businesses	41	(2,026)
Changes in operating assets and liabilities, net of business acquisitions:
Accounts receivable	10,928	18,784
Other assets	(1,360)	5,705
Accounts payable	(4,824)	(9,909)
Other liabilities	(3,323)	(11,542)
Net cash provided by operating activities	31,971	41,331
Investing Activities
Purchase of property and equipment	(319)	(1,015)
Capitalization of internally developed software costs	(341)	(328)
Purchase of businesses, net of cash acquired	(33,157)	28
Net cash used in investing activities	(33,817)	(1,315)
Financing Activities
Payment for credit facility financing fees	0	(683)
Payment of contingent consideration for purchase of business	(4,516)	(21,530)
Proceeds from the sale of stock through the Employee Stock Purchase Plan	197	240
Purchases of treasury stock	0	(2,395)
Remittance of taxes withheld as part of a net share settlement of restricted stock vesting	(4,269)	(5,054)
Net cash used in financing activities	(8,588)	(29,422)
Effect of exchange rate on cash, cash equivalents and restricted cash	(259)	271
Change in cash, cash equivalents and restricted cash	(10,693)	10,865
Cash, cash equivalents and restricted cash at beginning of period	128,886	30,130
Cash, cash equivalents and restricted cash at end of period	118,193	40,995
Supplemental Disclosures:
Cash paid for income taxes	2,770	1,553
Cash paid for interest	278	136
Stock issued for purchase of businesses (stock reacquired for escrow claim)	$ 3,809	$ (164)