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v3.23.1

Acquisitions, Goodwill, and Other Intangible Assets, Net - HMG Additional Payments, Pro Forma Financial Information, Acquisition Results, and Acquisition and Integration Costs - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 31, 2022 | Mar. 31, 2023 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2022
Business Acquisition [Line Items] |  |  |  |  |
Business combinations, unaudited supplemental pro forma revenue |  | $ 2,600.0 |  | $ 2,300.0 |
Business combinations, unaudited supplemental pro forma net income (loss) |  | (83.2) |  | (74.6) |
Business combinations, consolidated acquisition-related revenue |  | 400.6 |  | 704.7 |
Business combinations, consolidated acquisition-related income (loss) |  | (34.1) |  | (4.3) |
HMG |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business acquisition, number of shares issued (in shares) |  |  | 133,000 |  |
HMG | Contingent Consideration, Value Of Common Stock |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Total consideration | $ 29.4 |  |  |  |
Business acquisition, cash payment | $ 18.0 |  |  |  |
Business acquisition, number of shares issued (in shares) | 133,157 |  |  |  |
Business combination, contingent consideration, current |  | $ 39.0 |  |  | $ 37.0
HMG | Contingent Consideration, Value Of Common Stock | Power Delivery |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business acquisition, number of shares issued (in shares) |  | 170,000 |  |  | 170,000
Unrealized gain (loss) included in other income |  | $ (1.6) |  |  |
HMG | Contingent Consideration, Collections From Acquired Receivables |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business acquisition, number of shares issued (in shares) |  | 98,800 |  |  | 98,800
Unrealized gain (loss) included in other income |  | $ 9.3 |  |  | $ 8.4
Estimated fair value of contingent consideration |  | 21.8 |  |  | 21.8
IEA |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Total consideration |  | 748.5 |  |  |
Estimated fair value of contingent consideration |  | 0.0 |  |  |
2021 Acquisitions, Henkels & McCoy Group, Inc. and INTREN |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combinations, consolidated acquisition-related revenue |  |  |  | 548.1 |
2023 Acquisitions, Infrastructure Energy Alternatives, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combinations, consolidated acquisition-related revenue |  | $ 370.0 |  |  |
2023 Acquisitions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business acquisition, number of shares issued (in shares) |  | 120,000 |  |  |
Business combination, acquisition and integration related costs |  | $ 17.1 |  |  |
2023 Acquisitions | General and Administrative Expense |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, acquisition and integration related costs |  | 14.6 |  |  |
2023 Acquisitions | Cost of Revenue, Excluding Depreciation and Amortization |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, acquisition and integration related costs |  | 2.5 |  |  |
2022 Acquisitions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Total consideration |  | 799.7 |  |  |
Estimated fair value of contingent consideration |  | 2.8 |  |  | 3.0
2022 Acquisitions | General and Administrative Expense |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, acquisition and integration related costs |  |  |  | $ 13.6 |
2022 and 2023 Acquisitions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, integration related liabilities |  | $ 1.9 |  |  | $ 5.5

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