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v3.25.3

Business Combinations - Narrative (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) acquistion | Sep. 30, 2024 USD ($) acquistion
Business Combination [Line Items] |  |  |  |
Number of businesses acquired | acquistion |  |  | 3 | 6
Number of insignificant acquisitions | acquistion |  |  | 4 | 1
Acquisition-related costs | $ 0.8 | $ 0.5 | $ 1.8 | $ 1.6
Goodwill deduction for tax purposes | 10.7 |  | 10.7 |
Number of immaterial acquisitions where goodwill is not assigned to Installation operating segment | acquistion |  |  |  | 1
Amortization | 10.1 | 10.5 | 30.3 | $ 31.7
Income tax expense | 25.9 | 25.3 | 66.2 | 67.3
Combined Business Acquisitions |  |  |  |
Business Combination [Line Items] |  |  |  |
Amortization | 0.1 | 1.0 | 0.8 | 3.8
Income tax expense | $ 0.2 | $ 0.6 | $ 0.6 | $ 2.2
Other |  |  |  |
Business Combination [Line Items] |  |  |  |
Contingent payment period (in years) |  |  | 1 year |

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