Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) segment	Sep. 30, 2019 USD ($)
Segment Reporting Information [Line Items]
Revenue	$ 1,954,600	$ 1,771,600	$ 4,871,600	$ 5,046,600
Number of Operating Segments | segment			6
Gross profit	534,600	436,500	$ 1,160,200	1,225,400
Number of Reportable Segments | segment			5
ORV/Snowmobiles
Segment Reporting Information [Line Items]
Revenue	1,288,800	1,152,400	$ 3,065,400	3,069,200
Motorcycles
Segment Reporting Information [Line Items]
Revenue	166,900	149,900	434,800	464,600
Global Adjacent Markets
Segment Reporting Information [Line Items]
Revenue	106,600	114,000	282,800	340,900
Aftermarket
Segment Reporting Information [Line Items]
Revenue	237,200	236,200	646,800	685,600
Boats
Segment Reporting Information [Line Items]
Revenue	155,100	119,100	441,800	486,300
Operating segments | ORV/Snowmobiles
Segment Reporting Information [Line Items]
Revenue	1,288,800	1,152,400	3,065,400	3,069,200
Gross profit	377,800	308,300	831,200	846,100
Operating segments | Motorcycles
Segment Reporting Information [Line Items]
Revenue	166,900	149,900	434,800	464,600
Gross profit	15,500	8,700	18,900	35,300
Operating segments | Global Adjacent Markets
Segment Reporting Information [Line Items]
Revenue	106,600	114,000	282,800	340,900
Gross profit	31,500	30,800	75,200	94,000
Operating segments | Aftermarket
Segment Reporting Information [Line Items]
Revenue	237,200	236,200	646,800	685,600
Gross profit	63,700	61,800	157,600	173,500
Operating segments | Boats
Segment Reporting Information [Line Items]
Revenue	155,100	119,100	441,800	486,300
Gross profit	33,300	22,300	81,600	99,000
Corporate
Segment Reporting Information [Line Items]
Gross profit	$ 12,800	$ 4,600	$ (4,300)	$ (22,500)