Product Warranty And Safety Recall Campaigns (Warranty And Safety Recall Liability) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2012	Jun. 26, 2011	Jul. 01, 2012	Jun. 26, 2011
Guarantor Obligations [Line Items]
Balance, beginning of period	$ 57,102	$ 57,111	$ 54,994	$ 54,134
Warranties issued during the period	17,127	12,335	32,618	23,560
Settlements made during the period	(18,549)	(12,570)	(33,086)	(22,866)
Recalls and changes to pre-existing warranty liabilities	12,121	(1,469)	13,275	579
Balance, end of period	$ 67,801	$ 55,407	$ 67,801	$ 55,407