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ACQUISITIONS - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Nov. 30, 2021 | Dec. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2021
Identifiable assets acquired and liabilities assumed |  |  |  |
Goodwill |  | $ 1,661.8 | $ 1,651.9 | $ 1,420.2
Prime Automotive Group |  |  |  |
Business Acquisition |  |  |  |
Total consideration | $ 967.6 | 967.6 |  |
Identifiable assets acquired and liabilities assumed |  |  |  |
Inventories |  | 136.7 |  |
Property and equipment |  | 266.8 |  |
Intangible franchise rights |  | 135.3 |  |
Operating lease assets |  | 58.3 |  |
Other assets |  | 62.2 |  |
Total assets acquired |  | 659.3 |  |
Operating lease liabilities |  | 56.6 |  |
Other liabilities |  | 38.3 |  |
Total liabilities assumed |  | 94.9 |  |
Total identifiable net assets |  | 564.4 |  |
Goodwill |  | $ 403.2 |  |
Assets held for sale | 55.3 |  |  |
Liabilities held for sale | $ 1.7 |  |  |

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