Related Party Transactions (Details)		12 Months Ended
	Aug. 04, 2015 dealer	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Canada
Related Party Transaction [Line Items]
Number of dealers establishing distribution agreements | dealer	66
Affiliated Entity | Deeley Imports
Related Party Transaction [Line Items]
Revenue from related party		$ 0	$ 117,300,000	$ 194,800,000
Amounts due from related parties		0	0
Affiliated Entity | Trev Deeley Motorcycles
Related Party Transaction [Line Items]
Revenue from related party		5,300,000	1,400,000
Amounts due from related parties		$ 500,000	$ 300,000