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Sales by Product Category in Each Reportable Segment (Detail) - USD ($) $ in Thousands | 4 Months Ended
--- | ---
Apr. 23, 2016 | Apr. 25, 2015
Segment Reporting Information [Line Items] |  |
Sales | $ 1,204,352 | $ 1,146,045
DSD Segment |  |
Segment Reporting Information [Line Items] |  |
Sales | 999,003 | 966,163
Warehouse Segment |  |
Segment Reporting Information [Line Items] |  |
Sales | 205,349 | 179,882
Branded Retail |  |
Segment Reporting Information [Line Items] |  |
Sales | 699,965 | 650,363
Branded Retail | DSD Segment |  |
Segment Reporting Information [Line Items] |  |
Sales | 641,698 | 610,729
Branded Retail | Warehouse Segment |  |
Segment Reporting Information [Line Items] |  |
Sales | 58,267 | 39,634
Store Branded Retail |  |
Segment Reporting Information [Line Items] |  |
Sales | 171,233 | 168,462
Store Branded Retail | DSD Segment |  |
Segment Reporting Information [Line Items] |  |
Sales | 132,971 | 133,168
Store Branded Retail | Warehouse Segment |  |
Segment Reporting Information [Line Items] |  |
Sales | 38,262 | 35,294
Non-Retail and Other |  |
Segment Reporting Information [Line Items] |  |
Sales | 333,154 | 327,220
Non-Retail and Other | DSD Segment |  |
Segment Reporting Information [Line Items] |  |
Sales | 224,334 | 222,266
Non-Retail and Other | Warehouse Segment |  |
Segment Reporting Information [Line Items] |  |
Sales | $ 108,820 | $ 104,954

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