CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 57,216	$ 86,762
Adjustments to reconcile net income to net cash provided by operating activities-
Amortization of identifiable intangible assets	10,331	12,791
Depreciation expense	9,187	8,046
Change in right-of-use assets	5,357	4,734
Bad debt expense	946	25
Deferred tax provision (benefit)	(27,537)	2,328
Amortization of debt financing costs	169	133
Gain on sale of assets	(512)	(323)
Changes in the fair value of contingent earn-out obligations	2,382	(4,088)
Stock-based compensation	6,141	3,996
(Increase) decrease in-
Receivables, net	(125,937)	(52,701)
Inventories	(1,386)	(3,104)
Prepaid expenses and other current assets	(911)	(2,803)
Costs and estimated earnings in excess of billings and unbilled accounts receivable	(2,281)	2,562
Other noncurrent assets	(298)	181
Increase (decrease) in-
Accounts payable and accrued liabilities	28,652	3,544
Billings in excess of costs and estimated earnings and deferred revenue	159,140	7,401
Other long-term liabilities	6,250	(5,755)
Net cash provided by operating activities	126,909	63,729
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(16,520)	(9,192)
Proceeds from sales of property and equipment	622	1,056
Cash paid for acquisitions, net of cash acquired	(53,047)	3
Payments for investments		(1,236)
Net cash used in investing activities	(68,945)	(9,369)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from revolving credit facility	85,000	50,000
Payments on revolving credit facility	(140,000)	(10,000)
Payments on term loan		(7,500)
Payments on other debt	(16)	(7,797)
Payments on finance lease liabilities		(253)
Payments of dividends to stockholders	(6,254)	(4,673)
Share repurchase	(3,568)	(14,097)
Shares received in lieu of tax withholding	(1,798)	(1,399)
Proceeds from exercise of options	18
Deferred acquisition payments		(50)
Payments for contingent consideration arrangements		(1,752)
Net cash provided by (used in) financing activities	(66,618)	2,479
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(8,654)	56,839
CASH AND CASH EQUIVALENTS, beginning of period	57,214	58,776
CASH AND CASH EQUIVALENTS, end of period	$ 48,560	$ 115,615