Goodwill and Other Intangible Assets - Summary of Changes in Carrying Amount of Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Oct. 04, 2014	Dec. 28, 2013
Goodwill [Line Items]
Goodwill	$ 383,952	$ 385,786
Accumulated impairment charges	(86,600)	(86,600)
Goodwill, net	297,352	299,186
Other	(1,834)
Retail [Member]
Goodwill [Line Items]
Goodwill	252,604	254,438
Accumulated impairment charges	(86,600)	(86,600)
Goodwill, net	166,004	167,838
Other	(1,834)
Food Distribution [Member]
Goodwill [Line Items]
Goodwill	131,348	131,348
Goodwill, net	$ 131,348	$ 131,348

Goodwill purchase accounting adjustments and disposal.

No definition available.

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- Definition

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.

+ References

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

+ Details

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- Definition

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

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a,h)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

+ Details

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- Definition

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

+ Details

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- Details

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