Earnings Per Share - Computations of Basic and Diluted Net Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jul. 05, 2014	Jul. 04, 2015	Jul. 05, 2014
Earnings Per Share [Abstract]
Basic net earnings	$ 124,755	$ 147,041	$ 192,555	$ 258,072
Earnings allocated to participating securities, Basic	(411)	(487)	(762)	(878)
Net earnings available to common stockholders, Basic	$ 124,344	$ 146,554	$ 191,793	$ 257,194
Average shares outstanding	320,506	319,693	320,409	319,597
Basic net earnings per share	$ 0.39	$ 0.46	$ 0.60	$ 0.80
Diluted net earnings	$ 124,755	$ 147,041	$ 192,555	$ 258,072
Earnings allocated to participating securities, Diluted	(411)	(487)	(762)	(878)
Net earnings available to common stockholders, Diluted	$ 124,344	$ 146,554	$ 191,793	$ 257,194
Basic shares outstanding	320,506	319,693	320,409	319,597
Dilutive effect of stock options and other	202	288	185	275
Diluted average shares outstanding	320,708	319,981	320,594	319,872
Diluted net earnings per share	$ 0.39	$ 0.46	$ 0.60	$ 0.80