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Divestitures (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) store | Dec. 31, 2022 USD ($) store franchises | Dec. 31, 2021 USD ($) store
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Number of Franchises Terminated | franchises |  | 2 |
Gain on disposal | $ | $ 6.1 | $ 16.0 | $ 13.3
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Operating Income (Expense), Net | Other Operating Income (Expense), Net | Other Operating Income (Expense), Net
Dealerships Divested |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Number of businesses divested | 1 | 3 | 3
Collision Centers Divested [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Number of businesses divested |  |  | 18

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