Restructuring Expense (Restructuring Plan Reserve Recorded In Accrued Liabilities Related To 2010 Plan) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 25, 2011	Sep. 30, 2012	Sep. 25, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 9,170	$ 12,429	$ 26,841	$ 49,022
2010 Restructuring Plan [Member] | Employee Serverance And Termination Costs [Member] | Motorcycles And Related Products [Member]
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period			20,361	8,652
Restructuring expense			4,005	9,431
Utilized-cash			13,894	827
Balance, end of period	$ 10,472	$ 17,256	$ 10,472	$ 17,256