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Reporting Segment Information - Schedule of Segment Reporting Information, by Operating Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 15, 2017 | Jul. 16, 2016 | Jul. 15, 2017 | Jul. 16, 2016 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | $ 1,894,709 | $ 1,827,562 | $ 4,297,213 | $ 4,106,332 |
Merger/acquisition and integration | 622 | 913 | 4,638 | 1,810 |
Depreciation and amortization | 18,264 | 17,635 | 43,686 | 41,004 |
Operating earnings | 38,942 | 32,620 | 68,586 | 54,280 |
Capital expenditures | 18,313 | 23,246 | 37,789 | 41,336 |
Total Assets | 2,198,535 |  | 2,198,535 |  | $ 1,930,336
Discontinued Operations [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total Assets | 3,248 |  | 3,248 |  | 3,249
Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 1,894,709 | 1,827,562 | 4,297,213 | 4,106,332 |
Intersegment Eliminations [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | (209,435) | (220,146) | (476,763) | (497,149) |
Food Distribution [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Merger/acquisition and integration | 468 | 93 | 4,315 | 561 |
Depreciation and amortization | 6,073 | 4,827 | 15,016 | 11,297 |
Operating earnings | 23,204 | 19,227 | 48,518 | 45,083 |
Capital expenditures | 8,275 | 4,673 | 14,029 | 10,195 |
Total Assets | 1,071,156 |  | 1,071,156 |  | 776,725
Food Distribution [Member] | Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 941,636 | 820,328 | 2,104,586 | 1,811,465 |
Food Distribution [Member] | Intersegment Eliminations [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | (209,435) | (220,146) | (476,763) | (497,149) |
Military [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Merger/acquisition and integration |  |  |  | 1 |
Depreciation and amortization | 2,607 | 2,682 | 6,046 | 6,157 |
Operating earnings | 2,509 | 2,497 | 3,399 | 5,930 |
Capital expenditures | 1,603 | 712 | 4,054 | 3,047 |
Total Assets | 408,054 |  | 408,054 |  | 395,737
Military [Member] | Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 471,077 | 505,418 | 1,114,390 | 1,179,941 |
Retail [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Merger/acquisition and integration | 154 | 820 | 323 | 1,248 |
Depreciation and amortization | 9,584 | 10,126 | 22,624 | 23,550 |
Operating earnings | 13,229 | 10,896 | 16,669 | 3,267 |
Capital expenditures | 8,435 | 17,861 | 19,706 | 28,094 |
Total Assets | 716,077 |  | 716,077 |  | $ 754,625
Retail [Member] | Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | $ 481,996 | $ 501,816 | $ 1,078,237 | $ 1,114,926 |

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