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FINANCE RECEIVABLES - Schedule of Accounts Receivable (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total finance receivables | $ 3,524.3 | $ 3,348.7 |  |
Less: Allowance for finance receivable losses | (111.8) | (106.4) | $ (82.2) | $ (69.3)
Finance receivables, net | 3,412.5 | 3,242.3 |  |
Asset-backed term funding |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total finance receivables | 2,298.0 | 2,146.5 |  |
Warehouse facilities |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total finance receivables | 808.3 | 749.3 |  |
Other managed receivables |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total finance receivables | $ 418.0 | $ 452.9 |  |

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 + Details
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