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Revenue - Summary of Information about Disaggregated Revenue of Reportable Segments (Detail) - USD ($)
$ in Thousands
 4 Months Ended
Apr. 24, 2021
Apr. 18, 2020
Disaggregation Of Revenue [Line Items]    
Net sales $ 2,657,799 $ 2,856,456
Center store [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 1,022,557 1,119,943
Fresh [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 899,935 958,333
Non-food [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 659,888 716,478
Other Products [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 36,238 28,702
Fuel [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 39,181 33,000
Food Distribution [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 1,334,082 1,369,495
Food Distribution [Member] | Center store [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 451,777 451,321
Food Distribution [Member] | Fresh [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 447,208 467,663
Food Distribution [Member] | Non-food [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 402,695 424,312
Food Distribution [Member] | Other Products [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 32,402 26,199
Retail [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 739,444 782,568
Retail [Member] | Center store [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 288,718 328,326
Retail [Member] | Fresh [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 283,035 295,003
Retail [Member] | Non-food [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 128,136 125,845
Retail [Member] | Other Products [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 374 394
Retail [Member] | Fuel [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 39,181 33,000
Military [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 584,273 704,393
Military [Member] | Center store [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 282,062 340,296
Military [Member] | Fresh [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 169,692 195,667
Military [Member] | Non-food [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 129,057 166,321
Military [Member] | Other Products [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 3,462 2,109
Individuals Customer [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 739,293 782,333
Individuals Customer [Member] | Retail [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 739,293 782,333
Manufacturers, brokers and distributors [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 562,596 697,462
Manufacturers, brokers and distributors [Member] | Food Distribution [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 18,212 38,522
Manufacturers, brokers and distributors [Member] | Military [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 544,384 658,940
Retailers [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 1,337,387 1,352,766
Retailers [Member] | Food Distribution [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 1,300,960 1,309,422
Retailers [Member] | Military [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 36,427 43,344
Other Customers [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 18,523 23,895
Other Customers [Member] | Food Distribution [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 14,910 21,551
Other Customers [Member] | Retail [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales 151 235
Other Customers [Member] | Military [Member]    
Disaggregation Of Revenue [Line Items]    
Net sales $ 3,462 $ 2,109