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Summary of Significant Accounting Policies (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2024 USD ($) | Mar. 31, 2024 operatingGroups segment | Dec. 31, 2024 USD ($) reportingUnits segment | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jun. 11, 2024 | Mar. 31, 2022 USD ($) | Nov. 30, 2019
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of reportable segments | segment |  | 2 | 2 |  |  |  |  |
Number of operating groups | operatingGroups |  | 3 |  |  |  |  |  |
Cash paid to acquire business |  |  | $ 121,178 | $ 294,018 | $ 0 |  |  |
Unearned revenue |  |  | 3,584,378 | 3,596,676 |  |  |  |
Revenue |  |  | 4,007,574 | 3,509,138 | 3,301,256 |  |  |
Capitalized internal-use software costs |  |  | $ 6,900 | 10,100 | 11,400 |  |  |
Reporting units | reportingUnits |  |  | 4 |  |  |  |  |
Non-cash impairment charges | $ 4,500 |  |  |  |  |  |  |
Deferred tax assets |  |  | $ 101,865 | 96,579 |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Unearned revenue |  |  | $ 2,600,000 |  |  |  |  |
Expected timing of performance obligation |  |  | 12 months |  |  |  |  |
Inliner |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  | $ 159,700 |
Gain on sale of business |  |  |  |  | 1,800 |  |  |
Minimum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Amortization term |  |  | 1 year |  |  |  |  |
Warranty provisions period |  |  | 2 years |  |  |  |  |
Construction contracts warranty period |  |  | 2 years |  |  |  |  |
Accrued insurance liability |  |  | $ 500 |  |  |  |  |
Maximum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Amortization term |  |  | 30 years |  |  |  |  |
Construction contracts warranty period |  |  | 10 years |  |  |  |  |
Accrued insurance liability |  |  | $ 1,500 |  |  |  |  |
Construction Equipment | Minimum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Useful life |  |  | 3 years |  |  |  |  |
Construction Equipment | Maximum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Useful life |  |  | 10 years |  |  |  |  |
Equipment | Minimum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Useful life |  |  | 2 years |  |  |  |  |
Equipment | Maximum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Useful life |  |  | 20 years |  |  |  |  |
Software and Software Development Costs | Minimum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Useful life |  |  | 3 years |  |  |  |  |
Software and Software Development Costs | Maximum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Useful life |  |  | 7 years |  |  |  |  |
Caltrans |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Revenue |  |  | $ 567,600 | $ 458,200 | $ 348,000 |  |  |
Caltrans | Product Concentration Risk | Revenue from Contract with Customer Benchmark |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Concentration risk |  |  | 14.20% | 13.10% | 10.50% |  |  |
The 2.75% Convertible Notes |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  | 2.75% |  |  |  |  | 2.75%
3.25% Convertible Notes |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  | 3.25% |  |  | 3.25% |  |
Continuing Operations |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Unearned revenue |  |  | $ 3,600,000 | $ 3,600,000 |  |  |  |

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