Revenue Recognition (Contract Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Revenue	$ 1,779,315	$ 1,502,532	$ 3,275,005	$ 2,800,005
ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	1,049,321	990,841	1,916,768	1,823,405
Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	196,773	171,412	314,715	302,969
Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	121,924	113,418	226,880	226,745
Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	228,872	226,861	449,407	446,886
Boats
Disaggregation of Revenue [Line Items]
Revenue	182,425	0	367,235	0
Wholegoods
Disaggregation of Revenue [Line Items]
Revenue	1,314,759	1,061,071	2,387,449	1,950,694
Wholegoods | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	864,261	820,850	1,565,123	1,504,353
Wholegoods | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	169,421	146,671	271,770	260,779
Wholegoods | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	98,652	93,550	183,321	185,562
Wholegoods | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Wholegoods | Boats
Disaggregation of Revenue [Line Items]
Revenue	182,425	0	367,235	0
PG&A
Disaggregation of Revenue [Line Items]
Revenue	464,556	441,461	887,556	849,311
PG&A | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	185,060	169,991	351,645	319,052
PG&A | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	27,352	24,741	42,945	42,190
PG&A | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	23,272	19,868	43,559	41,183
PG&A | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	228,872	226,861	449,407	446,886
PG&A | Boats
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenue	1,446,560	1,197,191	2,667,486	2,204,731
UNITED STATES | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	871,854	818,318	1,580,724	1,480,913
UNITED STATES | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	120,183	113,561	188,080	197,458
UNITED STATES | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	58,146	49,740	109,829	99,794
UNITED STATES | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	219,174	215,572	430,790	426,566
UNITED STATES | Boats
Disaggregation of Revenue [Line Items]
Revenue	177,203	0	358,063	0
CANADA
Disaggregation of Revenue [Line Items]
Revenue	101,707	100,850	173,281	179,945
CANADA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	74,223	68,576	125,854	126,331
CANADA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	10,414	10,769	16,435	17,709
CANADA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	2,150	10,216	3,203	15,585
CANADA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	9,698	11,289	18,617	20,320
CANADA | Boats
Disaggregation of Revenue [Line Items]
Revenue	5,222	0	9,172	0
EMEA
Disaggregation of Revenue [Line Items]
Revenue	175,331	148,468	336,176	310,988
EMEA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	65,757	64,632	144,483	143,561
EMEA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	48,707	31,667	79,423	58,338
EMEA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	60,867	52,169	112,270	109,089
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	55,717	56,023	98,062	104,341
APLA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	37,487	39,315	65,707	72,600
APLA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	17,469	15,415	30,777	29,464
APLA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	761	1,293	1,578	2,277
APLA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
APLA | Boats
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0	$ 0	$ 0