Document And Entity Information	9 Months Ended
	Mar. 29, 2015	May 04, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	UNIFI INC
Document Type	10-Q
Current Fiscal Year End Date	--06-28
Entity Common Stock, Shares Outstanding		18,201,083
Amendment Flag	false
Entity Central Index Key	0000100726
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. 29, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3