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RECEIVABLES, NET AND CONTRACT ASSETS - Schedule of Financial Assets (Details) - USD ($) | Sep. 30, 2025 | Dec. 31, 2024
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Accounts, Notes, Loans and Financing Receivable |  |
Contracts-in-transit | $ 230,100,000 | $ 250,300,000
Vehicle receivables | 107,000,000.0 | 110,600,000
Total contracts-in-transit and vehicle receivables | 337,200,000 | 360,900,000
Less: allowance for doubtful accounts | 500,000 | 800,000
Total contracts-in-transit and vehicle receivables, net | 336,700,000 | 360,100,000
Accounts and notes receivable, net: |  |
Total accounts and notes receivable | 316,100,000 | 309,500,000
Less: allowance for doubtful accounts | 5,100,000 | 6,400,000
Total accounts and notes receivable, net | 311,000,000.0 | 303,000,000.0
Total contract assets | 71,100,000 | 59,000,000.0
Allowance for doubtful accounts | 0 | 0
Manufacturer receivables |  |
Accounts and notes receivable, net: |  |
Total accounts and notes receivable | 175,600,000 | 177,400,000
Parts and service receivables |  |
Accounts and notes receivable, net: |  |
Total accounts and notes receivable | 88,600,000 | 80,600,000
F&I receivables |  |
Accounts and notes receivable, net: |  |
Total accounts and notes receivable | 35,500,000 | 39,700,000
Other |  |
Accounts and notes receivable, net: |  |
Total accounts and notes receivable | $ 16,400,000 | $ 11,700,000

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