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Detail of Certain Accounts - Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Goodwill And Intangible Assets [Line Items] |  |
Intangible Assets, subject to amortization | $ 4,354,804 | $ 3,529,896
Accumulated amortization | (2,033,224) | (1,672,359)
Other intangible assets subject to amortization, net | 2,321,580 | 1,857,537
Other intangible assets, net | 2,324,580 | 1,860,537
Engineering license |  |
Goodwill And Intangible Assets [Line Items] |  |
Engineering license | 3,000 | 3,000
Customer relationships |  |
Goodwill And Intangible Assets [Line Items] |  |
Intangible Assets, subject to amortization | 2,990,138 | 2,405,606
Backlog |  |
Goodwill And Intangible Assets [Line Items] |  |
Intangible Assets, subject to amortization | 534,486 | 442,459
Trade names |  |
Goodwill And Intangible Assets [Line Items] |  |
Intangible Assets, subject to amortization | 697,210 | 569,307
Non-compete agreements |  |
Goodwill And Intangible Assets [Line Items] |  |
Intangible Assets, subject to amortization | 81,092 | 61,589
Patented rights, developed technology, process certifications and other |  |
Goodwill And Intangible Assets [Line Items] |  |
Intangible Assets, subject to amortization | 35,376 | 35,317
Curriculum |  |
Goodwill And Intangible Assets [Line Items] |  |
Intangible Assets, subject to amortization | $ 16,502 | $ 15,618

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