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v3.25.1

Revenue Recognition and Related Balance Sheet Accounts - Additional Information (Details) $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 USD ($) pool | Mar. 31, 2025 USD ($) pool category | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($)
Disaggregation of Revenue [Line Items] |  |  |  |
Number of service contract categories | category |  | 3 |  |
Percent of total revenues recognized associated with revenue recognition method |  | 63.40% | 57.50% |
Remaining performance obligation | $ 17,650.0 | $ 17,650.0 |  | $ 16,760.0
Revenues recognized related to change orders and claims | $ 722.6 | $ 722.6 |  | 733.6
Change in contract estimates, favorable (unfavorable) impact on revenue, percent |  | 0.20% | 0.10% |
Revenue recognized related to amounts in contract liabilities outstanding at the beginning of period |  | $ 1,300.0 | $ 952.6 |
Number of risk pools used for calculation historical credit loss experience | pool | 2 | 2 |  |
Current retainage balances | $ 729.2 | $ 729.2 |  | 666.5
Non-current retainage balances | 154.8 | 154.8 |  | 143.6
Unbilled receivables | 946.2 | 946.2 |  | 859.9
Accounts Payable and accrued expenses |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Unearned revenues, current portion | $ 82.9 | $ 82.9 |  | $ 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]: 2025-04-01 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percent of remaining performance obligation expected to be recognized | 67.40% | 67.40% |  |
Recognition period for remaining performance obligation | 12 months | 12 months |  |
Credit Concentration Risk | Financial Instruments | Secondary Pool |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Concentration risk percentage (in percent) | 10.00% |  |  |

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