Goodwill and Other Intangible Assets - Summary of Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
Jan. 02, 2016	Jan. 03, 2015	Dec. 31, 2016
Goodwill [Line Items]
Goodwill	$ 409,502	$ 383,880	$ 409,286
Accumulated impairment charges	(86,600)	(86,600)	(86,600)
Goodwill, net	322,902	297,280	322,686
Other (Note 6)	(216)
Dan's [Member]
Goodwill [Line Items]
Acquisition		25,622
Food Distribution [Member]
Goodwill [Line Items]
Goodwill	132,367	131,348	132,367
Goodwill, net	132,367	131,348	132,367
Food Distribution [Member] \| Dan's [Member]
Goodwill [Line Items]
Acquisition		1,019
Retail [Member]
Goodwill [Line Items]
Goodwill	277,135	252,532	276,919
Accumulated impairment charges	(86,600)	(86,600)	(86,600)
Goodwill, net	190,535	165,932	$ 190,319
Other (Note 6)	$ (216)
Retail [Member] \| Dan's [Member]
Goodwill [Line Items]
Acquisition		$ 24,603

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 350
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-Section 50
-Paragraph 1
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Amount of other (increase) decrease of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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