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Schedule of Estimated Fair Value (Detail) - USD ($)
$ in Thousands
Mar. 24, 2019
Dec. 30, 2018
2015 Ten-Year Fixed Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount $ 778,000 $ 780,000
Fair Value 804,452 783,120
2017 Five-Year Fixed Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount 591,000 592,500
Fair Value 582,726 575,910
2017 Ten-Year Fixed Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount 985,000 987,500
Fair Value 991,895 956,888
2017 Five-Year Floating Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount 295,500 296,250
Fair Value 294,318 295,065
2018 7.5-Year Fixed Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount 421,813 422,875
Fair Value 427,297 416,955
2018 9.25-Year Fixed Rate Notes [Member]    
Debt Instrument [Line Items]    
Principal Amount 397,000 398,000
Fair Value $ 404,940 $ 396,010