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Business, Basis of Presentation and Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Revenue [Line Items] |  |  |
Revenue | $ 14,299,171 | $ 12,303,464 | $ 11,995,934
Revenue recognition, changes in contract estimates, cost-to-cost method, financial effect, percentage | 0.80% | 0.10% | 0.20%
Revenue recognition, remaining performance obligations, contract price allocated | $ 14,600,000 |  |
Contract with customer, unapproved change orders and/or claims, amount (in dollars) | $ 229,000 | $ 139,000 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01 |  |  |
Revenue [Line Items] |  |  |
Revenue, remaining performance obligation, expected timing of satisfaction, period | 1 year |  |
Revenue recognition, remaining performance obligations, contract price allocated | $ 9,300,000 |  |
Revenue, remaining performance obligation, percentage | 63.70% |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01 |  |  |
Revenue [Line Items] |  |  |
Revenue, remaining performance obligation, expected timing of satisfaction, period | 2 years |  |
Maximum |  |  |
Revenue [Line Items] |  |  |
Revenue recognition, changes in contract estimates, cost-to-cost method, financial effect, percentage | 5.00% | 5.00% | 5.00%
Change order or claim approval process, term within which expected to be completed (in years) | 1 year |  |
Master Service and Other Service Agreements | Revenue Benchmark | Concentration Risk from Type of Arrangement |  |  |
Revenue [Line Items] |  |  |
Concentration risk, percentage of total | 44.00% | 41.00% | 40.00%
Master Service and Other Service Agreements | Revenue Benchmark | Concentration Risk from Type of Arrangement | Point in Time |  |  |
Revenue [Line Items] |  |  |
Concentration risk, percentage of total | 1.00% | 2.00% | 2.00%

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