Organization and Significant Accounting Policies - Additional Information (Detail) - USD ($)		12 Months Ended
	Jan. 01, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Long-term debt, fair value		$ 2,013,684,000	$ 922,123,000
Long-term debt, carrying value		1,962,570,000	913,012,000
Advertising expenses		$ 65,001,000	75,307,000	$ 85,199,000
Excess tax benefit			$ 14,643,000
ORVs
Property, Plant and Equipment [Line Items]
Period of warranties provided by Polaris		6 years
Minimum | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life		10 years
Minimum | Machinery Equipment And Production Tooling
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life		1 year
Maximum | Motorcycles
Property, Plant and Equipment [Line Items]
Period of warranties provided by Polaris		10 years
Maximum | Building and Building Improvements
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life		40 years
Maximum | Machinery Equipment And Production Tooling
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life		7 years
Polaris Acceptance
Property, Plant and Equipment [Line Items]
Equity method investment ownership percentage		50.00%
Accounting Standards Update 2016-02 | Scenario, Forecast | Minimum
Property, Plant and Equipment [Line Items]
Estimated effect of new accounting pronouncement	$ 110,000,000
Accounting Standards Update 2016-02 | Scenario, Forecast | Maximum
Property, Plant and Equipment [Line Items]
Estimated effect of new accounting pronouncement	$ 120,000,000