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ASSETS AND LIABILITIES HELD FOR SALE - Narrative (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 30, 2025 franchise dealership | Jun. 30, 2025 USD ($) franchise property dealership | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) franchise property dealership | Jun. 30, 2024 USD ($) | Mar. 31, 2025 dealership | Dec. 31, 2024 dealership property franchise
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |  |  |
Asset impairments | $ |  | $ 0.0 | $ 135.4 | $ 14.3 | $ 135.4 |  |
Franchise | Subsequent Event |  |  |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |  |  |
Number of franchises, sold (in franchises) | franchise | 4 |  |  |  |  |  |
Dealership Location | Subsequent Event |  |  |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |  |  |
Number of dealership locations, sold (in dealership locations) | dealership | 4 |  |  |  |  |  |
Held-for-sale | Franchise |  |  |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |  |  |
Number of assets held-for-sale | franchise |  | 5 |  | 5 |  |  | 7
Asset impairments | $ |  |  |  | $ 14.3 |  |  |
Held-for-sale | Dealership Location |  |  |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |  |  |
Number of assets held-for-sale | dealership |  | 5 |  | 5 |  | 5 | 6
Held-for-sale | Real Estate |  |  |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |  |  |
Number of assets held-for-sale | property |  | 2 |  | 2 |  |  | 1

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