CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 376,563	$ 231,817
Adjustments to reconcile net income to net cash provided by operating activities-
Amortization of identifiable intangible assets	75,224	32,273
Depreciation expense	35,377	27,717
Change in right-of-use assets	22,400	19,630
Bad debt expense	5,464	2,849
Deferred tax provision (benefit)	(32,511)	116,355
Amortization of debt financing costs	514	512
Gain on sale of assets	(2,778)	(1,683)
Changes in the fair value of contingent earn-out obligations	44,434	14,207
Stock-based compensation	12,129	9,128
(Increase) decrease in-
Receivables, net	(262,958)	(376,282)
Inventories	10,088	(18,272)
Prepaid expenses and other current assets	15,174	2,504
Costs and estimated earnings in excess of billings and unbilled accounts receivable	(58,473)	(5,326)
Other noncurrent assets	(1,882)	(247)
Increase (decrease) in-
Accounts payable and accrued liabilities	323,756	185,382
Billings in excess of costs and estimated earnings and deferred revenue	80,448	217,148
Other long-term liabilities	(4,375)	8,848
Net cash provided by operating activities	638,594	466,560
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(70,395)	(69,574)
Proceeds from sales of property and equipment	3,611	5,093
Cash paid for acquisitions, net of cash acquired	(235,466)	(53,404)
Payments for investments	(1,770)	(1,240)
Net cash used in investing activities	(304,020)	(119,125)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from revolving credit facility	182,000	285,000
Payments on revolving credit facility	(182,000)	(500,000)
Proceeds from other debt	640
Payments on other debt	(26,550)	(1,980)
Payments of dividends to stockholders	(30,322)	(21,455)
Share repurchases	(42,024)	(8,563)
Shares received in lieu of tax withholding	(7,292)	(4,725)
Proceeds from exercise of options	27	18
Deferred acquisition payments	(50)
Payments for contingent consideration arrangements	(18,570)	(15,321)
Net cash used in financing activities	(124,141)	(267,026)
NET INCREASE IN CASH AND CASH EQUIVALENTS	210,433	80,409
CASH AND CASH EQUIVALENTS, beginning of period	205,150	57,214
CASH AND CASH EQUIVALENTS, end of period	$ 415,583	$ 137,623