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Accounts Receivable - Breakdown of Current and Long Term Portions of Auto Loan and Lease Receivables (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current portion of auto loan and lease receivables, net of allowance of $13.6 and $2.1	$ 910.0	$ 614.0	$ 505.0
Long term portion of auto loan and lease receivables, net of allowance of $11.4 and $10.8	602.6	101.0
Accounts receivable, allowance for credit loss, current	17.3	5.9	$ 7.3
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 $13.6 and $2.1	224.5	78.6
Long term portion of auto loan and lease receivables, net of allowance of $11.4 and $10.8	579.7	84.1
Auto loan and lease receivables, net	804.2	162.7
Accounts receivable, allowance for credit loss, current	13.6	2.1
Accounts receivable, allowance for credit loss, noncurrent	$ 11.4	$ 10.8

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent.

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