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Operating Expenses | 9 Months Ended
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Sep. 30, 2025
Operating Expenses [Abstract] |
Operating Expenses | Note 6. Operating Expenses Acquisition-Related and Integration Costs Acquisition-related and integration costs consist of operating expenses incurred in connection with business combinations, such as due diligence, financing, investment-banking, consulting, advisory, legal, severance, integration and other acquisition-related costs. The following table presents acquisition-related and integration costs by significant acquisition:
|  | Three months ended September 30, |  | Nine months ended September 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
J.M. Wood |  | $ | 2.6 |  |  | $ | — |  |  | $ | 5.0 |  |  | $ | — |
IAA |  | 0.4 |  |  | 5.8 |  |  | 3.4 |  |  | 22.5 |
Other |  | 1.0 |  |  | 0.2 |  |  | 1.4 |  |  | 0.4 |
Acquisition-related and integration costs |  | $ | 4.0 |  |  | $ | 6.0 |  |  | $ | 9.8 |  |  | $ | 22.9 |
Depreciation and Amortization
|  | Three months ended September 30, |  | Nine months ended September 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
Depreciation |  | $ | 27.2 |  |  | $ | 26.2 |  |  | $ | 79.9 |  |  | $ | 76.4 |
Amortization |  | 97.5 |  |  | 85.7 |  |  | 276.0 |  |  | 253.5 |
Depreciation and amortization |  | $ | 124.7 |  |  | $ | 111.9 |  |  | $ | 355.9 |  |  | $ | 329.9 |

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