Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 01, 2018	Mar. 26, 2017
Disaggregation of Revenue [Line Items]
Motorcycles and Related Products	$ 1,363,947	$ 1,328,711
Financial Services	178,174	173,221
Revenues	1,542,121	1,501,932
Motorcycles and Related Products
Disaggregation of Revenue [Line Items]
Motorcycles and Related Products	1,363,947
Motorcycles and Related Products \| Motorcycles
Disaggregation of Revenue [Line Items]
Motorcycles and Related Products	1,121,673
Motorcycles and Related Products \| Parts & Accessories
Disaggregation of Revenue [Line Items]
Motorcycles and Related Products	169,075
Motorcycles and Related Products \| General Merchandise
Disaggregation of Revenue [Line Items]
Motorcycles and Related Products	56,601
Motorcycles and Related Products \| Licensing
Disaggregation of Revenue [Line Items]
Motorcycles and Related Products	8,358
Motorcycles and Related Products \| Other
Disaggregation of Revenue [Line Items]
Motorcycles and Related Products	8,240
Financial Services
Disaggregation of Revenue [Line Items]
Financial Services	178,174
Financial Services \| Financial Services Interest income
Disaggregation of Revenue [Line Items]
Financial Services	154,041
Financial Services \| Securitization and servicing fee income
Disaggregation of Revenue [Line Items]
Financial Services	352
Financial Services \| Financial Services Other income
Disaggregation of Revenue [Line Items]
Financial Services	23,781
Operating Segments \| Motorcycles and Related Products
Disaggregation of Revenue [Line Items]
Motorcycles and Related Products	1,363,947	1,328,711
Operating Segments \| Financial Services
Disaggregation of Revenue [Line Items]
Financial Services	$ 178,174	$ 173,221

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- Definition

The aggregate financial services revenue and operating interest income earned during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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