Product Warranty and Recall Campaigns - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2019	Jul. 01, 2018	Dec. 31, 2018
Product Information
Liability for recall campaigns	$ 47,600	$ 27,400	$ 47,600	$ 27,400	$ 73,300
Supplier recoveries	$ 26,768	$ 21,777	46,385	$ 38,415
Operating Expense
Product Information
Supplier recoveries			$ 28,000
Parts & accessories and general merchandise
Product Information
Standard product warranty, period			1 year
All Countries, Excluding Japan | Motorcycles
Product Information
Standard product warranty, period			2 years
Japan | Motorcycles
Product Information
Standard product warranty, period			3 years