Revenue Recognition (Contract Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Revenue	$ 1,771,647	$ 1,651,415	$ 5,046,652	$ 4,451,420
ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	1,152,405	1,035,554	3,069,173	2,858,959
Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	149,900	155,316	464,615	458,285
Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	114,003	96,251	340,883	322,996
Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	236,261	229,973	685,668	676,859
Boats
Disaggregation of Revenue [Line Items]
Revenue	119,078	134,321	486,313	134,321
Wholegoods
Disaggregation of Revenue [Line Items]
Revenue	1,288,789	1,198,776	3,676,238	3,149,470
Wholegoods | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	950,024	851,733	2,515,147	2,356,086
Wholegoods | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	127,419	134,410	399,189	395,189
Wholegoods | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	92,268	78,312	275,589	263,874
Wholegoods | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Wholegoods | Boats
Disaggregation of Revenue [Line Items]
Revenue	119,078	134,321	486,313	134,321
PG&A
Disaggregation of Revenue [Line Items]
Revenue	482,858	452,639	1,370,414	1,301,950
PG&A | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	202,381	183,821	554,026	502,873
PG&A | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	22,481	20,906	65,426	63,096
PG&A | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	21,735	17,939	65,294	59,122
PG&A | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	236,261	229,973	685,668	676,859
PG&A | Boats
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenue	1,471,847	1,383,679	4,139,333	3,588,410
UNITED STATES | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	964,052	866,289	2,544,776	2,347,202
UNITED STATES | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	105,566	116,072	293,646	313,530
UNITED STATES | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	60,900	51,363	170,729	151,157
UNITED STATES | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	224,090	217,816	654,880	644,382
UNITED STATES | Boats
Disaggregation of Revenue [Line Items]
Revenue	117,239	132,139	475,302	132,139
CANADA
Disaggregation of Revenue [Line Items]
Revenue	113,333	95,653	286,614	275,598
CANADA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	91,078	70,765	216,932	197,096
CANADA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	7,865	9,712	24,300	27,421
CANADA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	380	837	3,583	16,422
CANADA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	12,171	12,157	30,788	32,477
CANADA | Boats
Disaggregation of Revenue [Line Items]
Revenue	1,839	2,182	11,011	2,182
EMEA
Disaggregation of Revenue [Line Items]
Revenue	137,398	122,817	473,574	433,805
EMEA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	63,436	64,218	207,919	207,779
EMEA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	21,668	15,706	101,091	74,044
EMEA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	52,294	42,893	164,564	151,982
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	49,069	49,266	147,131	153,607
APLA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	33,839	34,282	99,546	106,882
APLA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	14,801	13,826	45,578	43,290
APLA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	429	1,158	2,007	3,435
APLA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
APLA | Boats
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0	$ 0	$ 0