Finance and Other Receivables - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest receivable	$ 58.9		$ 44.1
Loans accounted for as troubled debt restructurings		$ 38.3	31.1
TDRs subsequently defaulted, amount		0.8
Repossessed inventory	13.0		$ 9.2
Proceeds from the sales of repossessed assets	$ 4.6	$ 7.8
ASU 2022-02
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable modifications weighted average term extension	21 months
Change in accounting principle, accounting standards update, adopted [true false]	true
Change in accounting principle, accounting standards update adoption date	Jan. 01, 2023
Customer Retail | ASU 2022-02
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable modifications percentage	0.20%
Customer Retail | ASU 2022-02 | Fleet
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized cost basis of finance receivables	$ 6.0
Customer Retail | ASU 2022-02 | Owner/Operator
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized cost basis of finance receivables
Financial Services
Accounts, Notes, Loans and Financing Receivable [Line Items]
Months contractual terms extended	4 months		3 months
Amortized cost basis of finance receivables	$ 61.2		$ 54.4
Financial Services | Customer Retail | Fleet
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized cost basis of finance receivables	56.8		50.1
Financial Services | Customer Retail | Owner/Operator
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized cost basis of finance receivables	$ 3.9		$ 3.6
Financial Services | Loans and Leases | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contractual terms of retails loans and finance leases	3 years
Financial Services | Loans and Leases | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contractual terms of retails loans and finance leases	5 years
Financial Services | Financing Receivable | Maximum | Revenue Benchmark | Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of portfolio assets	5.00%