Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Current
Federal	$ 413,735	$ 771,355	$ 820,989
State	62,821	64,113	69,342
Current income tax expense	476,556	835,468	890,331
Deferred
Federal	59,377	(113,620)	20,697
State	3,868	13,764	3,660
Deferred income taxes	63,245	(99,856)	24,357
Federal	473,112	657,735	841,686
State	66,689	77,877	73,002
Income tax expense	$ 539,801	$ 735,612	$ 914,688