Schedule of Estimated Fair Value (Detail) - USD ($) $ in Thousands	Jun. 14, 2020	Dec. 29, 2019
2015 Ten-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	$ 770,000	$ 774,000
Fair Value	813,120	804,960
2017 Five-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	585,000	588,000
Fair Value	587,340	588,588
2017 Ten-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	975,000	980,000
Fair Value	1,042,275	1,017,240
2017 Five-Year Floating Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	292,500	294,000
Fair Value	287,820	294,000
2018 7.5-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	417,563	419,688
Fair Value	441,782	431,439
2018 9.25-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	393,000	395,000
Fair Value	424,047	414,355
2019 Ten-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	671,625	675,000
Fair Value	$ 699,833	$ 675,675