Earnings Per Share (Reconciliation Of Earnings Per Share Basic And Diluted) (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Numerator:
Net income	$ 299,810	$ 354,153	$ 569,664	$ 620,070
Denominator:
Denominator for basic earnings per share - weighted-average common shares	207,650	217,762	209,115	218,367
Effect of dilutive securities - employee stock compensation plan	940	1,399	1,050	1,453
Denominator for diluted earnings per share - adjusted weighted-average shares outstanding	208,590	219,161	210,165	219,820
Basic (in dollars per share)	$ 1.44	$ 1.63	$ 2.72	$ 2.84
Diluted (in dollars per share)	$ 1.44	$ 1.62	$ 2.71	$ 2.82