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FINANCE RECEIVABLES - Schedule of Financing Receivable Credit Quality Indicators (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total finance receivables | $ 3,524.3 | $ 3,348.7
Auto Loan Receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Current year | 434.2 | 1,707.2
Fiscal year before current fiscal year | 1,584.9 | 1,188.6
Two years before current fiscal year | 1,079.7 | 248.9
Three years before current fiscal year | 221.0 | 27.1
Four years before current fiscal year | 23.4 |
Total finance receivables | 3,343.2 | 3,171.8
Other Finance Receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total finance receivables | 181.1 | 176.9
Less than 599 | Auto Loan Receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Current year | 16.8 | 62.2
Fiscal year before current fiscal year | 57.3 | 39.0
Two years before current fiscal year | 34.0 | 17.6
Three years before current fiscal year | 15.6 | 2.4
Four years before current fiscal year | 2.1 |
Total finance receivables | 125.8 | 121.2
FICO Score, 600 to 699 | Auto Loan Receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Current year | 140.3 | 586.6
Fiscal year before current fiscal year | 549.1 | 463.6
Two years before current fiscal year | 418.8 | 152.7
Three years before current fiscal year | 135.3 | 16.1
Four years before current fiscal year | 13.9 |
Total finance receivables | 1,257.4 | 1,219.0
FICO Score, 700 to 774 | Auto Loan Receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Current year | 135.4 | 568.1
Fiscal year before current fiscal year | 532.7 | 422.5
Two years before current fiscal year | 386.5 | 63.9
Three years before current fiscal year | 57.0 | 5.9
Four years before current fiscal year | 5.1 |
Total finance receivables | 1,116.7 | 1,060.4
FICO Score, Greater than 775 | Auto Loan Receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Current year | 141.7 | 490.3
Fiscal year before current fiscal year | 445.8 | 263.5
Two years before current fiscal year | 240.4 | 14.7
Three years before current fiscal year | 13.1 | 2.7
Four years before current fiscal year | 2.3 |
Total finance receivables | $ 843.3 | $ 771.2

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