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Acquisitions - Schedule of Supplemental Pro Forma Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Chesapeake Technology International, Corp
Business Acquisition [Line Items]
Pro forma Revenue	$ 1,621,748	$ 1,828,838	$ 4,815,991	$ 5,065,144
Pro forma Net Income including noncontrolling interests	82,693	83,368	236,520	211,653
TRS Group, Inc
Business Acquisition [Line Items]
Pro forma Revenue	1,621,748	1,817,499	4,762,454	5,037,031
Pro forma Net Income including noncontrolling interests	82,057	85,410	234,856	220,098
BCC Engineering, LLC
Business Acquisition [Line Items]
Pro forma Revenue	1,621,748	1,836,915	4,760,431	5,093,599
Pro forma Net Income including noncontrolling interests	82,775	83,518	237,013	213,256
BlackSignal Technologies, LLC.
Business Acquisition [Line Items]
Pro forma Revenue	1,621,748	1,816,364	4,760,431	5,048,235
Pro forma Net Income including noncontrolling interests	$ 82,324	$ 86,364	$ 236,142	$ 214,787

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