Interest Income Recognized on Cash Basis for Finance Receivables that are on Non-Accrual Status (Detail) - Financial Services - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Interest income recognized:
Interest income recognized on a cash basis	$ 0.5	$ 0.5	$ 2.8	$ 1.2
Customer Retail | Fleet
Interest income recognized:
Interest income recognized on a cash basis	$ 0.5	0.4	2.6	1.0
Customer Retail | Owner/Operator
Interest income recognized:
Interest income recognized on a cash basis		$ 0.1	$ 0.2	$ 0.2