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v3.22.4

Acquisitions (Details) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 26, 2023 USD ($) | Dec. 31, 2022 USD ($) store | Dec. 31, 2021 USD ($) store | Dec. 31, 2020 USD ($)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |
Goodwill |  | $ 1,320.1 | $ 1,235.3 | $ 1,185.0
Subsequent Event [Member] |  |  |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |  |
Payments to Acquire Businesses, Gross | $ 190.0 |  |  |
Series of Individually Immaterial Business Acquisitions |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |
Inventory |  |  | 46.6 |
Property and equipment |  |  | 282.8 |
Goodwill |  |  | 51.6 |
Franchise rights - indefinite-lived |  |  | 232.4 |
Other assets |  |  | 17.7 |
Vehicle floorplan payable - non-trade |  |  | (15.1) |
Other liabilities |  |  | (2.8) |
Aggregate purchase price |  |  | 613.2 |
Finance lease obligations |  |  | (180.5) |
Cash used in business acquisition, net of cash acquired |  |  | 432.7 |
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 | 21,074.8
Pro-forma net income from continuing operations |  |  | 1,407.0 | 404.1
Reporting Unit, Domestic [Member] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |
Goodwill |  | 236.3 | 228.7 | 227.2
Reporting Unit, Domestic [Member] | Series of Individually Immaterial Business Acquisitions |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |
Goodwill |  |  | 1.5 |
Reporting Unit, Import [Member] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |
Goodwill |  | 518.7 | 517.9 | 500.6
Reporting Unit, Import [Member] | Series of Individually Immaterial Business Acquisitions |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |
Goodwill |  |  | 15.3 |
Reporting Unit, Premium Luxury [Member] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |
Goodwill |  | $ 482.1 | 484.1 | $ 457.2
Reporting Unit, Premium Luxury [Member] | Series of Individually Immaterial Business Acquisitions |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |
Goodwill |  |  | 30.3 |
Reporting Unit, Collision Centers [Member] | Series of Individually Immaterial Business Acquisitions |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |
Goodwill |  |  | $ 4.6 |
Dealerships [Member] |  |  |  |
Acquisitions [Line Items] |  |  |  |
Number of stores purchased | store |  | 4 | 20 |
Collision Center [Member] |  |  |  |
Acquisitions [Line Items] |  |  |  |
Number of stores purchased | store |  |  | 4 |

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