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Revenue - Summary of Information about Disaggregated Revenue of Reportable Segments (Detail) - USD ($) $ in Thousands | 4 Months Ended
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Apr. 20, 2019 | Apr. 21, 2018
Disaggregation Of Revenue [Line Items] |  |
Total revenue | $ 2,542,375 | $ 2,385,073
Center store [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 936,654 | 903,793
Fresh [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 888,737 | 816,232
Non-food [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 651,445 | 599,156
Other Products [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 24,290 | 26,429
Fuel [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 41,249 | 39,463
Individuals Customer [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 701,482 | 565,952
Manufacturers, brokers and distributors [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 703,347 | 707,301
Retailers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 1,132,178 | 1,090,909
Other Customers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 5,368 | 20,911
Food Distribution [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 1,169,238 | 1,155,211
Food Distribution [Member] | Center store [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 355,471 | 360,143
Food Distribution [Member] | Fresh [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 428,768 | 431,598
Food Distribution [Member] | Non-food [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 362,994 | 339,196
Food Distribution [Member] | Other Products [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 22,005 | 24,274
Food Distribution [Member] | Manufacturers, brokers and distributors [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 60,711 | 61,624
Food Distribution [Member] | Retailers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 1,105,326 | 1,074,831
Food Distribution [Member] | Other Customers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 3,201 | 18,756
Military [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 671,370 | 663,620
Military [Member] | Center store [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 310,410 | 322,358
Military [Member] | Fresh [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 197,022 | 179,049
Military [Member] | Non-food [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 162,056 | 160,348
Military [Member] | Other Products [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 1,882 | 1,865
Military [Member] | Manufacturers, brokers and distributors [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 642,636 | 645,677
Military [Member] | Retailers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 26,852 | 16,078
Military [Member] | Other Customers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 1,882 | 1,865
Retail [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 701,767 | 566,242
Retail [Member] | Center store [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 270,773 | 221,292
Retail [Member] | Fresh [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 262,947 | 205,585
Retail [Member] | Non-food [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 126,395 | 99,612
Retail [Member] | Other Products [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 403 | 290
Retail [Member] | Fuel [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 41,249 | 39,463
Retail [Member] | Individuals Customer [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 701,482 | 565,952
Retail [Member] | Other Customers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | $ 285 | $ 290

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