Summary of Non-Accrual Loans and Finance Leases with Specific Reserve and No Specific Reserve (Details) - Financial Services - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Recorded Investment, Past Due [Line Items]
Amortized cost basis with a specific reserve	$ 37.6	$ 37.5
Amortized cost basis with no specific reserve	23.6	16.9
Total	61.2	54.4
Dealer | Retail
Financing Receivable, Recorded Investment, Past Due [Line Items]
Amortized cost basis with no specific reserve	0.5	0.7
Total	0.5	0.7
Customer Retail | Fleet
Financing Receivable, Recorded Investment, Past Due [Line Items]
Amortized cost basis with a specific reserve	34.1	33.9
Amortized cost basis with no specific reserve	22.7	16.2
Total	56.8	50.1
Customer Retail | Owner/Operator
Financing Receivable, Recorded Investment, Past Due [Line Items]
Amortized cost basis with a specific reserve	3.5	3.6
Amortized cost basis with no specific reserve	0.4
Total	$ 3.9	$ 3.6