Reportable Segments and Geographic Information (Segment Information By Geographical Locations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 5,716,875	$ 5,647,224	$ 5,996,458
Long-lived assets	904,132	967,781	981,593
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	838,446	912,032	943,479
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	65,686	55,749	38,114
Motorcycles
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	4,968,646	4,915,027	5,271,376
Motorcycles | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	3,159,049	3,215,513	3,579,129
Motorcycles | EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	893,589	790,725	798,489
Motorcycles | Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	161,370	180,938	200,309
Motorcycles | Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	230,211	232,883	212,099
Motorcycles | Australia and New Zealand
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	147,561	168,670	181,809
Motorcycles | Other foreign countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	376,866	326,298	299,541
Financial Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	748,229	732,197	725,082
Financial Services | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	712,898	698,383	692,784
Financial Services | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	8,411	6,845	6,528
Financial Services | Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	23,120	22,580	21,626
Financial Services | Other foreign countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 3,800	$ 4,389	$ 4,144