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Acquisitions (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 store | Dec. 31, 2023 store | Dec. 31, 2021 USD ($) store
Series of Individually Immaterial Business Acquisitions |  |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |
Amount of revenue included in our Consolidated Statement of Income |  |  | $ 176.9
Amount of earnings included in our Consolidated Statement of Income |  |  | 6.9
Pro-forma revenue |  |  | 26,544.2
Pro-forma net income from continuing operations |  |  | $ 1,407.0
Dealerships [Member] |  |  |
Acquisitions [Line Items] |  |  |
Number of stores purchased | store | 4 | 7 | 20
Collision Center [Member] |  |  |
Acquisitions [Line Items] |  |  |
Number of stores purchased | store |  |  | 4

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