Restructuring Expense (Restructuring Plan Reserve Recorded In Accrued Liabilities Related To 2010 Plan) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 2,938	$ 11,451
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	10,156	20,361
Restructuring expense	0	1,886
Utilized-cash	9,607	26
Balance, end of period	$ 549	$ 22,221