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Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Intangible Assets | $ 3,529,896 | $ 2,674,069
Accumulated Amortization | (1,672,359) | (1,314,657)
Total | $ 1,857,537 | 1,359,412
Remaining Weighted Average Amortization Period | 6 years 9 months 18 days |
Indefinite-lived Intangible Assets [Line Items] |  |
Intangible Assets | $ 3,532,896 | 2,677,069
Intangible Assets, Net | 1,860,537 | 1,362,412
Engineering license |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Intangible Assets | 3,000 | 3,000
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible Assets | 2,405,606 | 1,852,249
Accumulated Amortization | (1,105,099) | (842,184)
Total | $ 1,300,507 | 1,010,065
Remaining Weighted Average Amortization Period | 5 years 1 month 6 days |
Backlog |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible Assets | $ 442,459 | 336,149
Accumulated Amortization | (358,596) | (297,868)
Total | $ 83,863 | 38,281
Remaining Weighted Average Amortization Period | 1 year 7 months 6 days |
Trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible Assets | $ 569,307 | 378,428
Accumulated Amortization | (113,970) | (87,572)
Total | $ 455,337 | 290,856
Remaining Weighted Average Amortization Period | 12 years 10 months 24 days |
Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible Assets | $ 61,589 | 59,464
Accumulated Amortization | (51,453) | (48,687)
Total | $ 10,136 | 10,777
Remaining Weighted Average Amortization Period | 4 years 6 months |
Patented rights, developed technology, process certifications and other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible Assets | $ 35,317 | 32,985
Accumulated Amortization | (32,763) | (29,605)
Total | $ 2,554 | 3,380
Remaining Weighted Average Amortization Period | 12 years 7 months 6 days |
Curriculum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible Assets | $ 15,618 | 14,794
Accumulated Amortization | (10,478) | (8,741)
Total | $ 5,140 | $ 6,053
Remaining Weighted Average Amortization Period | 3 years 9 months 18 days |

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