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Goodwill Activity by Segment (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 13, 2013	Jul. 13, 2013 DSD segment	Jul. 13, 2013 Warehouse segment	Dec. 29, 2012 Warehouse segment
Goodwill [Line Items]
Beginning balance	$ 269,897	$ 262,796	$ 7,101	$ 7,101
Increase in goodwill related to acquisitions	1,437	1,437
Ending Balance	$ 271,334	$ 264,233	$ 7,101	$ 7,101

X

- 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=14024403&loc=d3e13816-109267



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-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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X

- Definition

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)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

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