Derivative Financial Instruments and Hedging Activities - Amount Of Gains And Losses Recognized In Income Related To Derivative Financial Instruments (Details) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 27, 2021	Jun. 28, 2020	Jun. 27, 2021	Jun. 28, 2020
Derivative
Motorcycles and Related Products cost of goods sold	$ 924,449	$ 561,646	$ 1,736,071	$ 1,342,514
Selling, administrative and engineering expense	261,509	224,365	493,353	502,336
Interest expense	7,722	7,769	15,430	15,524
Financial Services interest expense	48,621	62,187	104,328	114,660
Expected to be reclassified over the next twelve months			400
Cash Flow Hedging \| Designated as Hedging Instrument
Derivative
Gain/(Loss) Reclassified from AOCL into Income	13,898	38,592	(59,688)	25,711
Cash Flow Hedging \| Designated as Hedging Instrument \| Foreign currency contracts
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(7,594)	5,305	(12,547)	8,705
Cash Flow Hedging \| Designated as Hedging Instrument \| Foreign currency contracts \| Motorcycles cost of goods sold
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(7,594)	5,305	(12,547)	8,705
Cash Flow Hedging \| Designated as Hedging Instrument \| Commodity contracts
Derivative
Gain/(Loss) Reclassified from AOCL into Income	3	(53)	(29)	(188)
Cash Flow Hedging \| Designated as Hedging Instrument \| Commodity contracts \| Motorcycles cost of goods sold
Derivative
Gain/(Loss) Reclassified from AOCL into Income	3	(53)	(29)	(188)
Cash Flow Hedging \| Designated as Hedging Instrument \| Cross-currency swaps
Derivative
Gain/(Loss) Reclassified from AOCL into Income	21,613	36,915	(44,175)	24,009
Cash Flow Hedging \| Designated as Hedging Instrument \| Cross-currency swaps \| Selling, administrative & engineering expense
Derivative
Gain/(Loss) Reclassified from AOCL into Income	21,613	36,915	(44,175)	24,009
Cash Flow Hedging \| Designated as Hedging Instrument \| Treasury rate lock contracts
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(124)	(122)	(248)	(246)
Cash Flow Hedging \| Designated as Hedging Instrument \| Treasury rate lock contracts \| Interest expense
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(90)	(90)	(181)	(181)
Cash Flow Hedging \| Designated as Hedging Instrument \| Treasury rate lock contracts \| Financial Services interest expense
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(34)	(32)	(67)	(65)
Cash Flow Hedging \| Designated as Hedging Instrument \| Interest rate swaps
Derivative
Gain/(Loss) Reclassified from AOCL into Income	$ 0	(3,453)	(2,689)	(6,569)
Cash Flow Hedging \| Designated as Hedging Instrument \| Interest rate swaps \| Financial Services interest expense
Derivative
Gain/(Loss) Reclassified from AOCL into Income		$ (3,453)	$ (2,689)	$ (6,569)

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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This element represents interest incurred for borrowed money which was used to produce goods or render services.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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