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ACCOUNTS RECEIVABLE (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total accounts receivable | $ 1,130.6 | $ 1,141.0
Less: Allowance for doubtful accounts | (5.7) | (6.9)
Total accounts receivable, net | 1,124.9 | 1,134.1
Contracts in transit |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total accounts receivable | 429.4 | 468.6
Vehicle receivables |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total accounts receivable | 209.3 | 177.6
Manufacturer receivables |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total accounts receivable | 315.5 | 327.9
Trade receivables |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total accounts receivable | 148.4 | 148.6
Other receivables, current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total accounts receivable | $ 28.0 | $ 18.3

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