Reporting Segment Information - Schedule of Segment Reporting Information, by Operating Segment (Detail) - USD ($) $ in Thousands	4 Months Ended
Apr. 21, 2018	Apr. 22, 2017	Dec. 30, 2017
Segment Reporting Information [Line Items]
Net sales	$ 2,385,073	$ 2,353,702
Merger/acquisition and integration	2,206	4,017
Restructuring charges and asset impairment	6,202	1,021
Depreciation and amortization	25,237	25,422
Operating earnings (loss)	25,748	29,559
Capital expenditures	21,041	19,476
Total Assets	2,016,937		$ 2,055,797
Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Total Assets	3,475		3,446
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	2,385,073	2,353,702
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(253,324)	(280,926)
Food Distribution [Member]
Segment Reporting Information [Line Items]
Merger/acquisition and integration	2,195	3,847
Restructuring charges and asset impairment	1,260	599
Depreciation and amortization	9,540	8,944
Operating earnings (loss)	24,521	25,272
Capital expenditures	12,445	5,754
Total Assets	1,125,465		1,085,621
Food Distribution [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	1,155,211	1,114,148
Food Distribution [Member] \| Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(253,324)	(280,926)
Military [Member]
Segment Reporting Information [Line Items]
Merger/acquisition and integration	4
Depreciation and amortization	3,678	3,439
Operating earnings (loss)	1,513	880
Capital expenditures	254	2,451
Total Assets	406,783		432,818
Military [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	663,620	643,313
Retail [Member]
Segment Reporting Information [Line Items]
Merger/acquisition and integration	7	170
Restructuring charges and asset impairment	4,942	422
Depreciation and amortization	12,019	13,039
Operating earnings (loss)	(286)	3,407
Capital expenditures	8,342	11,271
Total Assets	481,214		$ 533,912
Retail [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	$ 566,242	$ 596,241

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
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-Section S99
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