Revenue Recognition (Contract Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 1,511,800	$ 1,779,300	$ 2,917,000	$ 3,275,000
ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	952,900	1,049,300	1,776,600	1,916,800
Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	141,300	196,800	267,900	314,700
Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	77,900	121,900	176,200	226,900
Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	207,500	228,900	409,600	449,400
Boats
Disaggregation of Revenue [Line Items]
Revenue	132,200	182,400	286,700	367,200
Wholegoods
Disaggregation of Revenue [Line Items]
Revenue	1,050,200	1,314,700	2,036,600	2,387,400
Wholegoods | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	737,300	864,200	1,382,000	1,565,100
Wholegoods | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	118,300	169,500	228,100	271,800
Wholegoods | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	62,400	98,600	139,800	183,300
Wholegoods | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Wholegoods | Boats
Disaggregation of Revenue [Line Items]
Revenue	132,200	182,400	286,700	367,200
PG&A
Disaggregation of Revenue [Line Items]
Revenue	461,600	464,600	880,400	887,600
PG&A | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	215,600	185,100	394,600	351,700
PG&A | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	23,000	27,300	39,800	42,900
PG&A | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	15,500	23,300	36,400	43,600
PG&A | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	207,500	228,900	409,600	449,400
PG&A | Boats
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenue	1,253,400	1,446,600	2,407,800	2,667,500
UNITED STATES | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	795,600	871,800	1,478,300	1,580,700
UNITED STATES | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	90,200	120,200	168,000	188,100
UNITED STATES | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	39,100	58,100	87,600	109,800
UNITED STATES | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	198,800	219,200	392,800	430,800
UNITED STATES | Boats
Disaggregation of Revenue [Line Items]
Revenue	129,700	177,300	281,100	358,100
CANADA
Disaggregation of Revenue [Line Items]
Revenue	68,300	101,600	137,600	173,200
CANADA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	52,800	74,300	104,800	125,900
CANADA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	4,200	10,400	8,800	16,400
CANADA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	100	2,100	1,600	3,200
CANADA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	8,700	9,700	16,800	18,600
CANADA | Boats
Disaggregation of Revenue [Line Items]
Revenue	2,500	5,100	5,600	9,100
EMEA
Disaggregation of Revenue [Line Items]
Revenue	126,500	175,400	265,600	336,200
EMEA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	62,800	65,800	124,800	144,500
EMEA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	26,500	48,700	55,900	79,400
EMEA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	37,200	60,900	84,900	112,300
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	63,600	55,700	106,000	98,100
APLA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	41,700	37,400	68,700	65,700
APLA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	20,400	17,500	35,200	30,800
APLA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	1,500	800	2,100	1,600
APLA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
APLA | Boats
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0	$ 0	$ 0