Earnings Per Share (Computations Of Basic And Diluted Net Earnings Per Share) (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Earnings Per Share [Line Items]
Basic net earnings	$ 110,308	$ 181,518	$ 367,711	$ 641,132
Earnings allocated to participating securities	(412)	(592)	(1,242)	(2,239)
Net earnings available to common stockholders	109,896	180,926	366,469	638,893
Average shares outstanding	318,463	317,194	318,042	316,866
Basic net earnings per share	$ 0.35	$ 0.57	$ 1.15	$ 2.02
Diluted net earnings	110,308	181,518	367,711	641,132
Earnings allocated to participating securities, diluted	(412)	(593)	(1,242)	(2,240)
Net earnings available to common stockholders	$ 109,896	$ 180,925	$ 366,469	$ 638,892
Basic shares outstanding	318,463	317,194	318,042	316,866
Dilutive effect of stock options and other	57	93	71	195
Diluted average shares outstanding	318,520	317,287	318,113	317,061
Diluted net earnings per share	$ 0.35	$ 0.57	$ 1.15	$ 2.02
Anti-dilutive stock options, weighted average shares	801	801	534	266
Anti-dilutive stock options, weighted average exercise price	$ 42,070	$ 42,070	$ 42,070	$ 42,070