Restructuring Activities - Additional Information (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended	24 Months Ended
	Aug. 06, 2020 USD ($)	Jun. 28, 2020 USD ($) segment	Jun. 30, 2019 USD ($)	Jun. 28, 2020 USD ($) employee segment Employees	Jun. 30, 2019 USD ($)	Dec. 31, 2018 Employees	Dec. 31, 2019 USD ($)
Restructuring Cost and Reserve
Restructuring expenses		$ 0	$ 17,910	$ 0	$ 28,052
Employee Termination Benefits
Restructuring Cost and Reserve
Restructuring expenses		0		0
Non-Current Asset Adjustments
Restructuring Cost and Reserve
Restructuring expenses		$ 0		0
Motorcycles and Related Products | Temporary Inefficiencies | Cost of Sales
Restructuring Cost and Reserve
Incremental cost of goods sold			4,000		7,600
HDMC Entities | Temporary Inefficiencies | Cost of Sales
Restructuring Cost and Reserve
Incremental cost of goods sold							$ 23,200
2020 Restructuring Activities
Restructuring Cost and Reserve
Restructuring expenses				$ 94,000
Number of jobs eliminated | segment		700
Expected number of employees eliminated | segment		500		500
2020 Restructuring Activities | Subsequent Event
Restructuring Cost and Reserve
Restructuring expenses	$ 44,000
2020 Restructuring Activities | Employee Termination Benefits
Restructuring Cost and Reserve
Restructuring expenses				$ 30,000
2020 Restructuring Activities | Non-Current Asset Adjustments
Restructuring Cost and Reserve
Restructuring expenses				26,000
2020 Restructuring Activities | Motorcycles and Related Products
Restructuring Cost and Reserve
Restructuring expenses				81,000
2020 Restructuring Activities | Financial services
Restructuring Cost and Reserve
Restructuring expenses				$ 13,000
Manufacturing Optimization Plan
Restructuring Cost and Reserve
Restructuring expenses			17,028		25,156
Manufacturing Optimization Plan | Kansas City, Missouri
Restructuring Cost and Reserve
Number of jobs eliminated | employee				800
Manufacturing Optimization Plan | York, Pennsylvania
Restructuring Cost and Reserve
Number of jobs added | employee				450
Manufacturing Optimization Plan | Adelaide, Australia
Restructuring Cost and Reserve
Number of jobs eliminated | Employees				90
Manufacturing Optimization Plan | Employee Termination Benefits
Restructuring Cost and Reserve
Restructuring expenses			12,734		15,334
Manufacturing Optimization Plan | Non-Current Asset Adjustments
Restructuring Cost and Reserve
Restructuring expenses			0		0
Manufacturing Optimization Plan | Other Costs
Restructuring Cost and Reserve
Restructuring expenses			4,294		9,822
Manufacturing Optimization Plan | Motorcycles and Related Products
Restructuring Cost and Reserve
Restructuring and consolidation costs		$ 0		$ 0			$ 122,200
Reorganization Plan | Employee Termination Benefits
Restructuring Cost and Reserve
Restructuring expenses			$ 882		$ 2,896
Reorganization Plan | Motorcycles and Related Products
Restructuring Cost and Reserve
Restructuring and consolidation costs, positions eliminated | Employees						70