Document And Entity Information	3 Months Ended
	Mar. 23, 2013	Apr. 11, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	NASH FINCH CO
Document Type	10-Q
Current Fiscal Year End Date	--12-28
Entity Common Stock, Shares Outstanding		12,274,775
Amendment Flag	false
Entity Central Index Key	0000069671
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Mar. 23, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1