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FLOORPLAN NOTES PAYABLE - Schedule of Floorplan Notes Payable (Details) - Line of Credit - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Revolving Credit Facility — floorplan notes payable, net |  |
Line of Credit Facility |  |
Long-term debt, gross | $ 1,282.1 | $ 1,328.7
Long-term debt, offset | (105.1) | (286.3)
Long-term debt | 1,177.0 | 1,042.4
Other non-manufacturer facilities |  |
Line of Credit Facility |  |
Long-term debt | 241.2 | 212.9
Floorplan notes payable — credit facility and other, net |  |
Line of Credit Facility |  |
Long-term debt | 1,418.2 | 1,255.3
FMCC Facility, net |  |
Line of Credit Facility |  |
Long-term debt, gross | 169.2 | 202.0
Long-term debt, offset | 0.0 | (2.0)
Long-term debt | 169.2 | 200.0
GM Financial Facility |  |
Line of Credit Facility |  |
Long-term debt | 160.0 | 189.5
Other manufacturer affiliate facilities |  |
Line of Credit Facility |  |
Long-term debt | 412.6 | 377.2
Floorplan notes payable — manufacturer affiliates, net |  |
Line of Credit Facility |  |
Long-term debt | $ 741.8 | $ 766.7

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