Reporting Segment Information - Schedule of Segment Reporting Information, by Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 16, 2016	Jul. 18, 2015	Jul. 16, 2016	Jul. 18, 2015	Jan. 02, 2016
Segment Reporting Information [Line Items]
Net sales	$ 1,827,562	$ 1,795,864	$ 4,106,332	$ 4,108,547
Merger integration and acquisition (benefit) expenses	913	151	1,810	2,835
Depreciation and amortization	17,635	19,453	41,004	45,238
Operating earnings	32,620	36,794	54,280	60,647
Capital expenditures	23,246	24,462	41,336	37,186
Total Assets	1,923,863		1,923,863		$ 1,917,263
Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Total Assets	3,122		3,122		4,487
Military [Member]
Segment Reporting Information [Line Items]
Merger integration and acquisition (benefit) expenses			1
Depreciation and amortization	2,682	2,810	6,157	6,543
Operating earnings	2,497	3,895	5,930	10,053
Capital expenditures	712	1,795	3,047	2,379
Total Assets	410,077		410,077		415,140
Food Distribution [Member]
Segment Reporting Information [Line Items]
Merger integration and acquisition (benefit) expenses	93	(1,151)	561	1,036
Depreciation and amortization	4,827	6,169	11,297	14,705
Operating earnings	19,227	19,406	45,083	39,655
Capital expenditures	4,673	5,542	10,195	9,095
Total Assets	756,044		756,044		750,277
Retail [Member]
Segment Reporting Information [Line Items]
Merger integration and acquisition (benefit) expenses	820	1,302	1,248	1,799
Depreciation and amortization	10,126	10,474	23,550	23,990
Operating earnings	10,896	13,493	3,267	10,939
Capital expenditures	17,861	17,125	28,094	25,712
Total Assets	754,620		754,620		$ 747,359
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	1,827,562	1,795,864	4,106,332	4,108,547
Operating Segments [Member] \| Military [Member]
Segment Reporting Information [Line Items]
Net sales	505,418	497,047	1,179,941	1,196,441
Operating Segments [Member] \| Food Distribution [Member]
Segment Reporting Information [Line Items]
Net sales	820,328	782,743	1,811,465	1,769,178
Operating Segments [Member] \| Retail [Member]
Segment Reporting Information [Line Items]
Net sales	501,816	516,074	1,114,926	1,142,928
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(220,146)	(229,087)	(497,149)	(510,362)
Intersegment Eliminations [Member] \| Food Distribution [Member]
Segment Reporting Information [Line Items]
Net sales	$ (220,146)	$ (229,087)	$ (497,149)	$ (510,362)

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 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.18)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 12
-Article 7

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Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
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The net result for the period of deducting operating expenses from operating revenues.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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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
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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