Schedule of Estimated Fair Value (Detail) - USD ($) $ in Thousands	Sep. 12, 2021	Jan. 03, 2021
2015 Ten-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	$ 762,000	$ 766,000
Fair Value	794,766	809,662
2017 Five-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount		582,000
Fair Value		582,582
2017 Ten-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	965,000	970,000
Fair Value	1,028,690	1,035,960
2017 Five-Year Floating Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount		291,000
Fair Value		291,000
2018 7.5-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	413,313	415,438
Fair Value	429,018	437,456
2018 9.25-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	389,000	391,000
Fair Value	420,898	422,280
2019 Ten-Year Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Principal Amount	664,875	668,250
Fair Value	715,406	$ 712,355
2021 7.5-Year Fixed Rate Notes
Debt Instrument [Line Items]
Principal Amount	847,875
Fair Value	880,094
2021 Ten-Year Fixed Rate Notes
Debt Instrument [Line Items]
Principal Amount	997,500
Fair Value	$ 1,053,360