Revenue Recognition (Contract Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 1,954,600	$ 1,771,600	$ 4,871,600	$ 5,046,600
ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	1,288,800	1,152,400	3,065,400	3,069,200
Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	166,900	149,900	434,800	464,600
Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	106,600	114,000	282,800	340,900
Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	237,200	236,200	646,800	685,600
Boats
Disaggregation of Revenue [Line Items]
Revenue	155,100	119,100	441,800	486,300
Wholegoods
Disaggregation of Revenue [Line Items]
Revenue	1,400,900	1,288,800	3,437,500	3,676,200
Wholegoods | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	1,022,000	950,000	2,404,000	2,515,100
Wholegoods | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	137,700	127,400	365,800	399,200
Wholegoods | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	86,100	92,300	225,900	275,600
Wholegoods | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Wholegoods | Boats
Disaggregation of Revenue [Line Items]
Revenue	155,100	119,100	441,800	486,300
PG&A
Disaggregation of Revenue [Line Items]
Revenue	553,700	482,800	1,434,100	1,370,400
PG&A | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	266,800	202,400	661,400	554,100
PG&A | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	29,200	22,500	69,000	65,400
PG&A | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	20,500	21,700	56,900	65,300
PG&A | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	237,200	236,200	646,800	685,600
PG&A | Boats
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenue	1,641,400	1,471,800	4,049,200	4,139,300
UNITED STATES | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	1,090,500	964,100	2,568,800	2,544,800
UNITED STATES | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	120,200	105,500	288,200	293,600
UNITED STATES | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	52,900	60,900	140,500	170,700
UNITED STATES | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	224,900	224,100	617,700	654,900
UNITED STATES | Boats
Disaggregation of Revenue [Line Items]
Revenue	152,900	117,200	434,000	475,300
CANADA
Disaggregation of Revenue [Line Items]
Revenue	110,400	113,400	248,000	286,600
CANADA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	89,600	91,100	194,400	217,000
CANADA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	6,100	7,900	14,900	24,300
CANADA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	200	400	1,800	3,600
CANADA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	12,300	12,100	29,100	30,700
CANADA | Boats
Disaggregation of Revenue [Line Items]
Revenue	2,200	1,900	7,800	11,000
EMEA
Disaggregation of Revenue [Line Items]
Revenue	145,700	137,400	411,300	473,600
EMEA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	71,200	63,400	196,000	207,900
EMEA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	21,600	21,700	77,500	101,100
EMEA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	52,900	52,300	137,800	164,600
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	57,100	49,000	163,100	147,100
APLA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	37,500	33,800	106,200	99,500
APLA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	19,000	14,800	54,200	45,600
APLA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	600	400	2,700	2,000
APLA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
APLA | Boats
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0	$ 0	$ 0