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Restructuring Expense (Summary Of Restructuring Plan Reserve Activity Related To The 2009 Plan) (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended	9 Months Ended
	Sep. 25, 2011	Sep. 26, 2010	Sep. 25, 2011	Sep. 26, 2010	Dec. 31, 2010 2009 Restructuring Plan [Member]	Sep. 25, 2011 2009 Restructuring Plan [Member] Employee Severance And Termination Costs [Member] Motorcycles And Related Products [Member]	Sep. 26, 2010 2009 Restructuring Plan [Member] Employee Severance And Termination Costs [Member] Motorcycles And Related Products [Member]	Sep. 25, 2011 2009 Restructuring Plan [Member] Other [Member] Motorcycles And Related Products [Member]	Sep. 26, 2010 2009 Restructuring Plan [Member] Other [Member] Motorcycles And Related Products [Member]	Sep. 25, 2011 2009 Restructuring Plan [Member] Motorcycles And Related Products [Member]	Sep. 26, 2010 2009 Restructuring Plan [Member] Motorcycles And Related Products [Member]	Sep. 25, 2011 2009 Restructuring Plan [Member] Motorcycles And Related Products [Member] Accelerated Depreciation [Member]	Sep. 26, 2010 2009 Restructuring Plan [Member] Motorcycles And Related Products [Member] Accelerated Depreciation [Member]	Sep. 25, 2011 2009 Restructuring Plan [Member] Financial Services [Member]	Sep. 26, 2010 2009 Restructuring Plan [Member] Financial Services [Member]	Sep. 25, 2011 2009 Restructuring Plan [Member] Financial Services [Member] Employee Severance And Termination Costs [Member]	Sep. 26, 2010 2009 Restructuring Plan [Member] Financial Services [Member] Employee Severance And Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance						$ 23,818,000	$ 36,070,000	$ 2,764,000	$ 31,422,000	$ 26,582,000	$ 67,492,000			$ 26,582,000	$ 67,711,000		$ 219,000
Restructuring expense	12,429,000	67,476,000	49,022,000	145,837,000		5,932,000	31,948,000	25,498,000	28,977,000	31,430,000	105,170,000		44,425,000	31,430,000	105,170,000
Utilized - cash						(13,000,000)	(39,602,000)	(28,079,000)	(47,990,000)	(41,079,000)	(87,592,000)			(41,079,000)	(87,636,000)		(44,000)
Utilized - noncash			(200,000)				1,023,000		(2,819,000)		(46,041,000)		(44,245,000)		(46,216,000)		(175,000)
Ending Balance						16,750,000	29,439,000	183,000	9,590,000	16,933,000	39,029,000			16,933,000	39,029,000
Noncash reserve release					$ (3,800,000)