Summary of Financial Services Lease Revenues by Lease Type (Detail) - Financial Services - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Entity Wide Information Revenue From External Customer [Line Items]
Finance lease revenues	$ 184.1	$ 187.0	$ 189.2
Operating lease revenues	788.8	831.6	802.3
Total lease revenues	$ 972.9	$ 1,018.6	$ 991.5