Business Segments (Details) $ in Thousands	3 Months Ended
Mar. 29, 2020 USD ($) segment	Mar. 31, 2019 USD ($)
Segment Reporting [Abstract]
Number of reportable segments \| segment	2
Segment Reporting Information
Selling, administrative and engineering expense	$ 277,971	$ 268,625
Restructuring expense	0	13,630
Motorcycles and Related Products cost of goods sold	780,868	848,198
Operating income	107,513	167,112
Motorcycles and Related Products
Segment Reporting Information
Motorcycles revenue	1,099,788	1,195,637
Gross profit	318,920	347,439
Selling, administrative and engineering expense	234,353	225,428
Restructuring expense	0	13,630
Operating income	84,567	108,381
Financial Services
Segment Reporting Information
Financial Services	198,456	188,743
Motorcycles and Related Products cost of goods sold	175,510	130,012
Operating income	$ 22,946	$ 58,731

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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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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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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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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