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ASSETS AND LIABILITIES HELD FOR SALE - Narrative (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) franchise dealership property | Mar. 31, 2025 USD ($) dealership | Sep. 30, 2025 USD ($) franchise dealership property | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) franchise dealership property | Sep. 30, 2024 USD ($) | Oct. 29, 2025 franchise | Dec. 31, 2024 property franchise dealership
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |  |  |  |
Asset impairments | $ |  |  | $ 11.7 | $ 0.0 | $ 26.0 | $ 135.4 |  |
Held-for-sale | Franchise |  |  |  |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |  |  |  |
Number of assets held-for-sale | franchise | 3 |  | 3 |  | 3 |  |  | 7
Asset impairments | $ | $ 11.7 | $ 14.3 |  |  |  |  |  |
Held-for-sale | Franchise | Subsequent Event |  |  |  |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |  |  |  |
Number of assets held-for-sale | franchise |  |  |  |  |  |  | 13 |
Held-for-sale | Dealership Location |  |  |  |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |  |  |  |
Number of assets held-for-sale | dealership | 3 | 5 | 3 |  | 3 |  |  | 6
Held-for-sale | Real Estate |  |  |  |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |  |  |  |
Number of assets held-for-sale | property | 2 |  | 2 |  | 2 |  |  | 1

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