Product Warranty And Safety Recall Campaigns (Warranty And Safety Recall Liability) (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
Guarantor Obligations [Line Items]
Balance, beginning of period	$ 67,801	$ 55,407	$ 54,994	$ 54,134
Warranties issued during the period	10,228	10,210	42,846	33,770
Settlements made during the period	19,799	15,016	52,885	37,882
Recalls and changes to pre-existing warranty liabilities	4,980	759	18,255	1,338
Balance, end of period	$ 63,210	$ 51,360	$ 63,210	$ 51,360