Restructuring Expense (Summary Of Restructuring Plan Reserve Activity Related To The 2009 Plan) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 01, 2012	Mar. 27, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 11,451	$ 22,999
2009 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	10,089	26,582
Restructuring expense	6,004	13,339
Utilized - cash	(7,515)	(14,574)
Utilized - noncash		296
Balance, end of period	8,578	25,643
2009 Restructuring Plan [Member] | Motorcycles & Related Products [Member] | Employee Severance And Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	10,089	23,818
Restructuring expense	323	2,954
Utilized - cash	(1,846)	(4,028)
Utilized - noncash
Balance, end of period	8,566	22,744
2009 Restructuring Plan [Member] | Motorcycles & Related Products [Member] | Accelerated Depreciation [Member]
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period
Restructuring expense
Utilized - cash
Utilized - noncash
Balance, end of period
2009 Restructuring Plan [Member] | Motorcycles & Related Products [Member] | Other [Member]
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period		2,764
Restructuring expense	5,681	10,385
Utilized - cash	(5,669)	(10,546)
Utilized - noncash		296
Balance, end of period	$ 12	$ 2,899