Amortized Cost Basis and Performance of Finance Receivables Modified (Details) - Customer Retail - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Financing Receivable, Modified [Line Items]
Amortized cost basis of finance receivables	$ 345.4	$ 129.1
Fleet \| Current and up to 30 days past due
Financing Receivable, Modified [Line Items]
Amortized cost basis of finance receivables	287.1	126.2
Fleet \| 31 - 60 days past due
Financing Receivable, Modified [Line Items]
Amortized cost basis of finance receivables	11.5	0.3
Fleet \| Greater than 60 days past due
Financing Receivable, Modified [Line Items]
Amortized cost basis of finance receivables	42.3	2.2
Owner/Operator \| Current and up to 30 days past due
Financing Receivable, Modified [Line Items]
Amortized cost basis of finance receivables	2.8	$ 0.4
Owner/Operator \| 31 - 60 days past due
Financing Receivable, Modified [Line Items]
Amortized cost basis of finance receivables	0.1
Owner/Operator \| Greater than 60 days past due
Financing Receivable, Modified [Line Items]
Amortized cost basis of finance receivables	$ 1.6

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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