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Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Aug. 04, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
Goodwill	$ 54,267	$ 28,638		$ 27,752
Motorcycles [Member]
Goodwill [Line Items]
Goodwill	54,267	28,638	$ 28,567	$ 27,752	$ 30,452
Goodwill, Purchase Accounting Adjustments	28,567	0
Goodwill, Translation Adjustments	(2,052)	(1,814)
Financial Services Segment [Member]
Goodwill [Line Items]
Goodwill	$ 0	$ 0