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ACCOUNTS RECEIVABLE AND OTHER NON-CURRENT ASSETS - Breakdown of Current and Long Term Portions of Auto Loan and Lease Receivables (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current portion of auto loan and lease receivables, net of allowance of $18.8 and $13.6	$ 978.4	$ 910.0
Long term portion of auto loan and lease receivables, net of allowance of $18.6 and $11.4	1,187.1	602.6
Accounts receivable, allowance for doubtful accounts, current	22.0	17.3
Auto loan and lease receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current portion of auto loan and lease receivables, net of allowance of $18.8 and $13.6	216.1	224.5
Long term portion of auto loan and lease receivables, net of allowance of $18.6 and $11.4	1,158.7	579.7
Auto loan and lease receivables, net	1,374.8	804.2
Accounts receivable, allowance for doubtful accounts, current	18.8	13.6
Accounts receivable, allowance for doubtful accounts, noncurrent	$ 18.6	$ 11.4

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