Reportable Segments and Geographic Information (Information By Industry Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Total assets	$ 9,890,240	$ 9,972,977	$ 9,515,870
Depreciation and amortization	209,555	198,074	179,300
Capital expenditures	256,263	259,974	232,319
Motorcycles
Segment Reporting Information [Line Items]
Total assets	2,490,450	2,522,249	2,502,190
Depreciation and amortization	202,122	188,926	171,187
Capital expenditures	245,316	249,772	224,262
Financial Services
Segment Reporting Information [Line Items]
Total assets	7,399,790	7,450,728	7,013,680
Depreciation and amortization	7,433	9,148	8,113
Capital expenditures	$ 10,947	$ 10,202	$ 8,057