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Schedule of Estimated Fair Value (Detail) - USD ($)
$ in Thousands
Jun. 16, 2019
Dec. 30, 2018
2015 Ten-Year Fixed Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount $ 776,000 $ 780,000
Fair Value 810,920 783,120
2017 Five-Year Fixed Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount 589,500 592,500
Fair Value 589,500 575,910
2017 Ten-Year Fixed Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount 982,500 987,500
Fair Value 1,014,923 956,888
2017 Five-Year Floating Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount 294,750 296,250
Fair Value 294,455 295,065
2018 7.5-Year Fixed Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount 420,750 422,875
Fair Value 432,952 416,955
2018 9.25-Year Fixed Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount 396,000 398,000
Fair Value $ 413,820 $ 396,010