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Acquisitions - Schedule of Supplemental Pro Forma Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Chesapeake Technology International, Corp |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Pro forma Revenue | $ 1,604,441 | $ 1,687,840 | $ 3,194,243 | $ 3,236,306
Pro forma Net Income including noncontrolling interests | 70,109 | 78,779 | 151,627 | 130,485
TRS Group, Inc |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Pro forma Revenue | 1,584,323 | 1,677,018 | 3,140,706 | 3,219,532
Pro forma Net Income including noncontrolling interests | 70,752 | 80,078 | 152,799 | 134,688
BCC Engineering, LLC |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Pro forma Revenue | 1,584,323 | 1,697,357 | 3,138,683 | 3,256,684
Pro forma Net Income including noncontrolling interests | 71,470 | 78,410 | 154,238 | 129,738
BlackSignal Technologies, LLC. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Pro forma Revenue | 1,584,323 | 1,684,129 | 3,138,683 | 3,231,871
Pro forma Net Income including noncontrolling interests | $ 71,076 | $ 77,041 | $ 153,818 | $ 128,423

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