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Revenue - Summary of Information about Disaggregated Revenue of Reportable Segments (Detail) - USD ($)
$ in Thousands
 4 Months Ended
Apr. 21, 2018
Apr. 22, 2017
Disaggregation Of Revenue [Line Items]    
Total revenue $ 2,385,073 $ 2,353,702
Center store [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 903,793 902,612
Fresh [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 816,232 826,809
Non-food [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 599,156 561,668
Other Products [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 26,429 26,791
Fuel [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 39,463 35,822
Individuals [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 565,952 595,891
Manufacturers, brokers and distributors [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 707,301 708,340
Retailers [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 1,090,909 1,028,468
Other Customers [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 20,911 21,003
Food Distribution [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 1,155,211 1,114,148
Food Distribution [Member] | Center store [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 360,143 352,190
Food Distribution [Member] | Fresh [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 431,598 432,529
Food Distribution [Member] | Non-food [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 339,196 304,546
Food Distribution [Member] | Other Products [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 24,274 24,883
Food Distribution [Member] | Manufacturers, brokers and distributors [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 61,624 66,585
Food Distribution [Member] | Retailers [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 1,074,831 1,028,468
Food Distribution [Member] | Other Customers [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 18,756 19,095
Military [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 663,620 643,313
Military [Member] | Center store [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 322,358 313,677
Military [Member] | Fresh [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 179,049 173,538
Military [Member] | Non-food [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 160,348 154,540
Military [Member] | Other Products [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 1,865 1,558
Military [Member] | Manufacturers, brokers and distributors [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 645,677 641,755
Military [Member] | Retailers [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 16,078  
Military [Member] | Other Customers [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 1,865 1,558
Retail [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 566,242 596,241
Retail [Member] | Center store [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 221,292 236,745
Retail [Member] | Fresh [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 205,585 220,742
Retail [Member] | Non-food [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 99,612 102,582
Retail [Member] | Other Products [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 290 350
Retail [Member] | Fuel [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 39,463 35,822
Retail [Member] | Individuals [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 565,952 595,891
Retail [Member] | Other Customers [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue $ 290 $ 350