Revenue Recognition - Contract Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 1,951.1	$ 1,405.2
ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	1,232.2	823.7
Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	165.6	126.6
Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	124.8	98.3
Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	229.8	202.1
Boats
Disaggregation of Revenue [Line Items]
Revenue	198.7	154.5
Wholegoods
Disaggregation of Revenue [Line Items]
Revenue	1,399.2	986.4
Wholegoods | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	962.8	644.7
Wholegoods | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	140.4	109.8
Wholegoods | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	97.3	77.4
Wholegoods | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0.0	0.0
Wholegoods | Boats
Disaggregation of Revenue [Line Items]
Revenue	198.7	154.5
PG&A
Disaggregation of Revenue [Line Items]
Revenue	551.9	418.8
PG&A | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	269.4	179.0
PG&A | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	25.2	16.8
PG&A | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	27.5	20.9
PG&A | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	229.8	202.1
PG&A | Boats
Disaggregation of Revenue [Line Items]
Revenue	0.0	0.0
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenue	1,528.9	1,154.4
UNITED STATES | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	961.3	682.7
UNITED STATES | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	98.2	77.8
UNITED STATES | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	56.2	48.5
UNITED STATES | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	219.8	194.0
UNITED STATES | Boats
Disaggregation of Revenue [Line Items]
Revenue	193.4	151.4
CANADA
Disaggregation of Revenue [Line Items]
Revenue	134.1	69.3
CANADA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	112.0	52.0
CANADA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	5.8	4.6
CANADA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	1.0	1.5
CANADA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	10.0	8.1
CANADA | Boats
Disaggregation of Revenue [Line Items]
Revenue	5.3	3.1
EMEA
Disaggregation of Revenue [Line Items]
Revenue	218.6	139.1
EMEA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	109.9	62.0
EMEA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	43.1	29.4
EMEA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	65.6	47.7
EMEA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0.0	0.0
EMEA | Boats
Disaggregation of Revenue [Line Items]
Revenue	0.0	0.0
APLA
Disaggregation of Revenue [Line Items]
Revenue	69.5	42.4
APLA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	49.0	27.0
APLA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	18.5	14.8
APLA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	2.0	0.6
APLA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0.0	0.0
APLA | Boats
Disaggregation of Revenue [Line Items]
Revenue	$ 0.0	$ 0.0