Finance and Other Receivables - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest receivable	$ 88.4	$ 44.1
Loans accounted for as troubled debt restructurings		31.1
Repossessed inventory	30.4	9.2
Proceeds from the sales of repossessed assets	$ 27.7	$ 20.8	$ 45.3
ASU 2022-02
Accounts, Notes, Loans and Financing Receivable [Line Items]
Change in accounting principle, accounting standards update, adopted [true false]	true
Change in accounting principle, accounting standards update adoption date	Jan. 01, 2023
Financing receivable modifications weighted average term extension	19 months
Customer Retail | ASU 2022-02
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable modifications percentage	0.10%
Customer Retail | Fleet
Accounts, Notes, Loans and Financing Receivable [Line Items]
Pre-Modification, Amortized Cost Basis	$ 11.7
Post-Modification, Amortized Cost Basis	11.7
Customer Retail | Fleet | ASU 2022-02
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized cost basis of finance receivables	7.5
Customer Retail | Owner/Operator | ASU 2022-02
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized cost basis of finance receivables	$ 0.0
Financial Services | Financing Receivable | Maximum | Customer Concentration Risk | Revenue Benchmark
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of portfolio assets	5.00%
Financial Services | Dealer | Wholesale
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable repayment period	1 year