Additional Balance Sheet And Cash Flow Information (Inventories, Net) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Inventory [Line Items]
Raw materials and work in process	$ 161,704	$ 151,254
Inventory at lower of FIFO cost or market	635,175	498,773
Excess of FIFO over LIFO cost	(49,268)	(49,902)
Inventories, net	585,907	448,871
Obsolescence reserves deducted from FIFO cost	26,700	17,800
Motorcycle Finished Goods [Member]
Inventory [Line Items]
Motorcycle finished goods	327,952	230,309
Parts and Accessories Finished Goods [Member]
Inventory [Line Items]
Motorcycle finished goods	$ 145,519	$ 117,210