Revenue Recognition (Contract Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disaggregation of Revenue [Line Items]
Sales	$ 1,627,120	$ 1,651,415	$ 1,502,532	$ 1,297,473	$ 1,431,049	$ 1,478,726	$ 1,364,920	$ 1,153,782	$ 6,078,540	$ 5,428,477	$ 4,516,629
ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Sales									3,919,417
Motorcycles
Disaggregation of Revenue [Line Items]
Sales									545,646
Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Sales									444,644
Aftermarket
Disaggregation of Revenue [Line Items]
Sales									889,177
Boats
Disaggregation of Revenue [Line Items]
Sales									279,656
Wholegoods
Disaggregation of Revenue [Line Items]
Sales									4,348,491
Wholegoods | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Sales									3,237,463
Wholegoods | Motorcycles
Disaggregation of Revenue [Line Items]
Sales									465,269
Wholegoods | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Sales									366,103
Wholegoods | Aftermarket
Disaggregation of Revenue [Line Items]
Sales									0
Wholegoods | Boats
Disaggregation of Revenue [Line Items]
Sales									279,656
PG&A
Disaggregation of Revenue [Line Items]
Sales									1,730,049
PG&A | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Sales									681,954
PG&A | Motorcycles
Disaggregation of Revenue [Line Items]
Sales									80,377
PG&A | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Sales									78,541
PG&A | Aftermarket
Disaggregation of Revenue [Line Items]
Sales									889,177
PG&A | Boats
Disaggregation of Revenue [Line Items]
Sales									0
United States
Disaggregation of Revenue [Line Items]
Sales									4,883,807
United States | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Sales									3,178,104
United States | Motorcycles
Disaggregation of Revenue [Line Items]
Sales									371,483
United States | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Sales									212,653
United States | Aftermarket
Disaggregation of Revenue [Line Items]
Sales									847,293
United States | Boats
Disaggregation of Revenue [Line Items]
Sales									274,274
Canada
Disaggregation of Revenue [Line Items]
Sales									390,224
Canada | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Sales									293,269
Canada | Motorcycles
Disaggregation of Revenue [Line Items]
Sales									31,150
Canada | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Sales									18,539
Canada | Aftermarket
Disaggregation of Revenue [Line Items]
Sales									41,884
Canada | Boats
Disaggregation of Revenue [Line Items]
Sales									5,382
EMEA
Disaggregation of Revenue [Line Items]
Sales									602,899
EMEA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Sales									306,890
EMEA | Motorcycles
Disaggregation of Revenue [Line Items]
Sales									87,977
EMEA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Sales									208,032
EMEA | Aftermarket
Disaggregation of Revenue [Line Items]
Sales									0
EMEA | Boats
Disaggregation of Revenue [Line Items]
Sales									0
APLA
Disaggregation of Revenue [Line Items]
Sales									201,610
APLA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Sales									141,154
APLA | Motorcycles
Disaggregation of Revenue [Line Items]
Sales									55,036
APLA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Sales									5,420
APLA | Aftermarket
Disaggregation of Revenue [Line Items]
Sales									0
APLA | Boats
Disaggregation of Revenue [Line Items]
Sales									$ 0