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Merger - Pro Forma Effect on Operating Results (Detail) (Nash-Finch Company [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jul. 20, 2013	Jul. 20, 2013
Nash-Finch Company [Member]
Business Acquisition [Line Items]
Net sales	$ 1,867,080	$ 4,132,219
Net earnings	$ 17,519	$ 28,106

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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