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v3.25.3

Revenue Recognition and Related Balance Sheet Accounts - Additional Information (Details) $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) customer pool | Sep. 30, 2025 USD ($) customer pool | Sep. 30, 2024 customer | Sep. 30, 2025 USD ($) customer pool category | Sep. 30, 2024 USD ($) customer | Dec. 31, 2024 USD ($) customer
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Number of service contract categories | category |  |  |  | 3 |  |
Percent of total revenues recognized associated with revenue recognition method |  | 64.60% | 61.40% | 63.60% | 59.30% |
Remaining performance obligation | $ 20,970.0 | $ 20,970.0 |  | $ 20,970.0 |  | $ 16,760.0
Revenues recognized related to change orders and claims | $ 872.7 | $ 872.7 |  | $ 872.7 |  | 733.6
Change in contract estimates, favorable (unfavorable) impact on revenue, percent |  | 1.10% | 0.70% | 0.30% | 0.30% |
Revenue recognized related to amounts in contract liabilities outstanding at the beginning of period |  |  |  | $ 1,940.0 | $ 1,350.0 |
Number of risk pools used for calculation historical credit loss experience | pool | 2 | 2 |  | 2 |  |
Current retainage balances | $ 863.8 | $ 863.8 |  | $ 863.8 |  | 666.5
Non-current retainage balances | 169.6 | 169.6 |  | 169.6 |  | 143.6
Unbilled receivables | 1,190.0 | 1,190.0 |  | 1,190.0 |  | 859.9
Accounts Payable and accrued expenses |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Unearned revenues, current portion | $ 118.3 | $ 118.3 |  | $ 118.3 |  | $ 97.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Percent of remaining performance obligation expected to be recognized |  |  |  |  |  | 67.10%
Recognition period for remaining performance obligation |  |  |  |  |  | 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01 |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Percent of remaining performance obligation expected to be recognized | 64.10% | 64.10% |  | 64.10% |  |
Recognition period for remaining performance obligation | 12 months | 12 months |  | 12 months |  |
Credit Concentration Risk | Financial Instruments | Secondary Pool |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Concentration risk percentage (in percent) | 10.00% |  |  |  |  |
Customer Concentration Risk | Revenue Benchmark | Customer |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Number of customers representing ten percent or more of consolidated revenues | customer |  | 0 | 0 | 0 | 0 |
Customer Concentration Risk | Receivables Benchmark | Customer |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |
Number of customers representing ten percent or more of net receivable position | customer | 0 | 0 |  | 0 |  | 0

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