Product Warranty and Safety Recall Campaigns (Warranty and Safety Recall Liability) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2018	Jun. 25, 2017	Jul. 01, 2018	Jun. 25, 2017
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance, beginning of period	$ 95,075	$ 78,211	$ 94,202	$ 79,482
Warranties issued during the period	16,904	18,084	31,510	34,836
Settlements made during the period	(21,777)	(21,200)	(38,415)	(40,533)
Recalls and changes to pre-existing warranty liabilities	(259)	5,586	2,646	6,896
Balance, end of period	$ 89,943	$ 80,681	$ 89,943	$ 80,681