Additional Balance Sheet And Cash Flow Information (Inventories, Net) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Inventory [Line Items]
Raw materials and work in process	$ 151,254,000	$ 140,302,000
Inventory at lower of FIFO cost or market	498,773,000us-gaap_InventoryGross	473,233,000us-gaap_InventoryGross
Excess of FIFO over LIFO cost	(49,902,000)us-gaap_InventoryLIFOReserve	(48,726,000)us-gaap_InventoryLIFOReserve
Inventories, net	448,871,000us-gaap_InventoryNet	424,507,000us-gaap_InventoryNet
Obsolescence reserves deducted from FIFO cost	17,800,000us-gaap_InventoryValuationReserves	17,500,000us-gaap_InventoryValuationReserves
Motorcycle Finished Goods [Member]
Inventory [Line Items]
Motorcycle finished goods	230,309,000	205,416,000
Parts and Accessories Finished Goods [Member]
Inventory [Line Items]
Motorcycle finished goods	$ 117,210,000	$ 127,515,000

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount of difference between inventory at lower of LIFO cost or market and inventory at lower of other inventory accounting method cost or market, for example, but not limited to, FIFO or average cost.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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