Derivative Financial Instruments and Hedging Activities - Amount of Gains and Losses Recognized in Income Related to Derivative Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 25, 2022	Sep. 30, 2023	Sep. 25, 2022
Derivative
Motorcycles and related products cost of goods sold	$ 893,343	$ 946,656	$ 2,691,272	$ 2,721,913
Selling, administrative and engineering expense	301,454	265,841	877,591	740,699
Interest expense	7,688	8,124	23,104	23,555
Financial services interest expense	84,123	60,740	243,677	150,488
Expected income (loss) to be reclassified in next twelve months			(38,800)
Cash Flow Hedging \| Designated as Hedging Instrument
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(45,059)	(79,852)	(16,891)	(170,601)
Cash Flow Hedging \| Designated as Hedging Instrument \| Foreign currency contracts
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(3,588)	15,202	635	30,484
Cash Flow Hedging \| Designated as Hedging Instrument \| Foreign currency contracts \| Motorcycles and related products cost of goods sold
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(3,588)	15,202	635	30,484
Cash Flow Hedging \| Designated as Hedging Instrument \| Commodity contracts
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(115)	147	(814)	627
Cash Flow Hedging \| Designated as Hedging Instrument \| Commodity contracts \| Motorcycles and related products cost of goods sold
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(115)	147	(814)	627
Cash Flow Hedging \| Designated as Hedging Instrument \| Cross-currency swaps
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(41,210)	(95,111)	(16,365)	(201,377)
Cash Flow Hedging \| Designated as Hedging Instrument \| Cross-currency swaps \| Selling, administrative & engineering expense
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(41,210)	(95,111)	(16,365)	(201,377)
Cash Flow Hedging \| Designated as Hedging Instrument \| Treasury rate lock contracts
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(241)	(90)	(510)	(335)
Cash Flow Hedging \| Designated as Hedging Instrument \| Treasury rate lock contracts \| Interest expense
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(91)	(90)	(272)	(272)
Cash Flow Hedging \| Designated as Hedging Instrument \| Treasury rate lock contracts \| Financial services interest expense
Derivative
Gain/(Loss) Reclassified from AOCL into Income	(150)	0	(238)	(63)
Cash Flow Hedging \| Designated as Hedging Instrument \| Swap rate lock contracts
Derivative
Gain/(Loss) Reclassified from AOCL into Income	95	$ 0	163	$ 0
Cash Flow Hedging \| Designated as Hedging Instrument \| Swap rate lock contracts \| Financial services interest expense
Derivative
Gain/(Loss) Reclassified from AOCL into Income	$ 95		$ 163

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

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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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