Goodwill and Other Intangible Assets - Changes on the Carrying Amount of Goodwill by Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Roll Forward]
Goodwill, Gross		$ 661.6	$ 667.6	$ 659.9
Accumulated goodwill impairment losses		(270.3)	(270.3)
Goodwill, Beginning Balance		397.3	659.9
Impairments	$ (270.3)		(270.3)
Currency translation effect on foreign goodwill balances		(6.0)	7.7
Goodwill, Ending Balance		391.3	397.3
ORV/Snowmobiles
Goodwill [Roll Forward]
Goodwill, Gross		73.0	72.9	72.0
Goodwill, Beginning Balance		72.9	72.0
Currency translation effect on foreign goodwill balances		0.1	0.9
Goodwill, Ending Balance		73.0	72.9
Motorcycles
Goodwill [Roll Forward]
Goodwill, Gross		5.2	5.2	5.2
Goodwill, Beginning Balance		5.2	5.2
Goodwill, Ending Balance		5.2	5.2
Global Adjacent Markets
Goodwill [Roll Forward]
Goodwill, Gross		86.0	92.1	85.2
Goodwill, Beginning Balance		92.1	85.2
Currency translation effect on foreign goodwill balances		(6.1)	6.9
Goodwill, Ending Balance		86.0	92.1
Aftermarket
Goodwill [Roll Forward]
Goodwill, Gross		270.3	270.3	270.4
Accumulated goodwill impairment losses		(270.3)	(270.3)
Goodwill, Beginning Balance		0.0	270.4
Impairments			(270.3)
Currency translation effect on foreign goodwill balances			(0.1)
Goodwill, Ending Balance		0.0	0.0
Boats
Goodwill [Roll Forward]
Goodwill, Gross		227.1	227.1	$ 227.1
Goodwill, Beginning Balance		227.1	227.1
Goodwill, Ending Balance		$ 227.1	$ 227.1