Stockholders' Equity (Reconciliation of basic to diluted weighted average shares) (Detail) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Disclosure Reconciliation Of Basic To Diluted Weighted Average Shares [Abstract]
Basic weighted average shares outstanding	379,233	403,949	383,448	403,819
Effect of potentially dilutive securities:
Stock options	2,029	2,091	2,090	2,150
Restricted stock units	1,244	1,468	1,205	1,399
Employee stock purchase plan and other	5	2	13	16
Diluted weighted average shares outstanding	382,511	407,510	386,756	407,384