Organization and Significant Accounting Policies - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Long-term debt, fair value	$ 922,123,000	$ 1,156,181,000
Long-term debt, carrying value	913,012,000	1,141,910,000
Advertising expenses	75,307,000	$ 85,199,000	$ 80,090,000
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	2 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%