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Acquisitions - Estimated Fair Values of Identifiable Intangible Assets and Related Weighted Average Amortization (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
CEI |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 669,000 |
Amortization Period in Years | 9 years 2 months 12 days |
All Others |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 211,042 |
Weighted Average Amortization Period in Years | 7 years 4 months 24 days |
Acquisitions 2023 |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value |  | $ 192,915
Weighted Average Amortization Period in Years |  | 5 years 3 months 18 days
Customer relationships | CEI |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 404,000 |
Amortization Period in Years | 8 years |
Customer relationships | All Others |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 163,355 |
Weighted Average Amortization Period in Years | 7 years 1 month 6 days |
Customer relationships | Acquisitions 2023 |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value |  | $ 109,680
Weighted Average Amortization Period in Years |  | 5 years
Backlog | CEI |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 90,000 |
Amortization Period in Years | 3 years |
Backlog | All Others |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 21,425 |
Weighted Average Amortization Period in Years | 2 years 9 months 18 days |
Backlog | Acquisitions 2023 |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value |  | $ 53,764
Weighted Average Amortization Period in Years |  | 2 years
Trade names | CEI |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 175,000 |
Amortization Period in Years | 15 years |
Trade names | All Others |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 20,542 |
Weighted Average Amortization Period in Years | 14 years 10 months 24 days |
Trade names | Acquisitions 2023 |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value |  | $ 22,497
Weighted Average Amortization Period in Years |  | 15 years
Non-compete agreements | CEI |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 0 |
Non-compete agreements | All Others |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 3,444 |
Weighted Average Amortization Period in Years | 5 years |
Non-compete agreements | Acquisitions 2023 |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value |  | $ 6,974
Weighted Average Amortization Period in Years |  | 5 years
Patented rights, developed technology, process certifications and other | CEI |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 0 |
Patented rights, developed technology, process certifications and other | All Others |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 2,276 |
Weighted Average Amortization Period in Years | 15 years |
Patented rights, developed technology, process certifications and other | Acquisitions 2023 |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated Fair Value |  | $ 0

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