CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 96,319	$ 57,216
Adjustments to reconcile net income to net cash provided by operating activities-
Amortization of identifiable intangible assets	23,913	10,331
Depreciation expense	11,254	9,187
Change in right-of-use assets	7,981	5,357
Bad debt expense	356	946
Deferred tax provision (benefit)	(14,205)	(27,537)
Amortization of debt financing costs	171	169
Gain on sale of assets	(820)	(512)
Changes in the fair value of contingent earn-out obligations	12,491	2,382
Stock-based compensation	7,414	6,141
(Increase) decrease in-
Receivables, net	(125,582)	(125,937)
Inventories	(5,293)	(1,386)
Prepaid expenses and other current assets	(4,499)	(911)
Costs and estimated earnings in excess of billings and unbilled accounts receivable	(4,822)	(2,281)
Other noncurrent assets	(280)	(298)
Increase (decrease) in-
Accounts payable and accrued liabilities	118,757	28,652
Billings in excess of costs and estimated earnings and deferred revenue	23,307	159,140
Other long-term liabilities	95	6,250
Net cash provided by operating activities	146,557	126,909
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(24,952)	(16,520)
Proceeds from sales of property and equipment	1,014	622
Cash paid for acquisitions, net of cash acquired	(196,670)	(53,047)
Payments for investments	(1,040)
Net cash used in investing activities	(221,648)	(68,945)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from revolving credit facility	162,000	85,000
Payments on revolving credit facility	(162,000)	(140,000)
Proceeds from other debt	640
Payments on other debt	(22)	(16)
Payments of dividends to stockholders	(8,921)	(6,254)
Share repurchase	(295)	(3,568)
Shares received in lieu of tax withholding	(2,126)	(1,798)
Proceeds from exercise of options	27	18
Payments for contingent consideration arrangements	(18,570)
Net cash used in financing activities	(29,267)	(66,618)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(104,358)	(8,654)
CASH AND CASH EQUIVALENTS, beginning of period	205,150	57,214
CASH AND CASH EQUIVALENTS, end of period	$ 100,792	$ 48,560