Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	$ 341.7	$ 355.2
Accumulated Amortization	(80.0)	(74.8)	$ (72.6)
Net	261.7	280.4
Total other intangible assets, Gross Carrying Amount	604.4	618.7	$ 645.7
Total other intangible assets, net	$ 524.4	$ 543.9
Weighted-average useful life (years)	19 years	19 years
Non-compete agreements
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount		$ 2.6
Accumulated Amortization		(2.3)
Net		$ 0.3
Weighted-average useful life (years)		4 years
Dealer/customer related
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	$ 341.7	$ 349.7
Accumulated Amortization	(80.0)	(69.7)
Net	$ 261.7	$ 280.0
Weighted-average useful life (years)	19 years	19 years
Developed technology
Intangible Assets by Major Class [Line Items]
Gross Carrying Amount		$ 2.9
Accumulated Amortization		(2.8)
Net		$ 0.1
Weighted-average useful life (years)		7 years
Non-amortizable—brand/trade names
Intangible Assets by Major Class [Line Items]
Non-amortizable—brand/trade names	$ 262.7	$ 263.5
Non-amortizable, Net	$ 262.7	$ 263.5