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v3.26.1

Revenue Recognition and Related Balance Sheet Accounts - Additional Information (Details) $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 31, 2026 USD ($) pool customer | Mar. 31, 2026 USD ($) customer category pool | Mar. 31, 2025 USD ($) customer | Dec. 31, 2025 USD ($) customer
Disaggregation of Revenue [Line Items] |  |  |  |
Number of service contract categories | category |  | 3 |  |
Percent of total revenues recognized associated with revenue recognition method |  | 63.50% | 63.40% |
Remaining performance obligation | $ 26,240.0 | $ 26,240.0 |  | $ 23,760.0
Revenues recognized related to change orders and claims | $ 918.3 | $ 918.3 |  | 983.6
Change in contract estimates, favorable (unfavorable) impact on revenue, percent |  | 0.40% | 0.20% |
Revenue recognized related to amounts in contract liabilities outstanding at the beginning of period |  | $ 1,960.0 | $ 1,300.0 |
Number of risk pools used for calculation historical credit loss experience | pool | 2 | 2 |  |
Current retainage balances | $ 1,090.0 | $ 1,090.0 |  | 994.1
Non-current retainage balances | 225.9 | 225.9 |  | 228.7
Unbilled receivables | 1,260.0 | 1,260.0 |  | 1,100.0
Accounts Payable and accrued expenses |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Unearned revenues, current portion | $ 224.6 | $ 224.6 |  | $ 121.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percent of remaining performance obligation expected to be recognized |  |  |  | 66.00%
Recognition period for remaining performance obligation |  |  |  | 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-04-01 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percent of remaining performance obligation expected to be recognized | 69.00% | 69.00% |  |
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) | 8.00% |  |  |
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 |
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

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