Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 25, 2016	Dec. 27, 2015	Dec. 25, 2016	Dec. 27, 2015
Earnings Per Share [Abstract]
Net income attributable to Unifi, Inc.	$ 4,591	$ 6,464	$ 13,994	$ 14,489
Basic weighted average shares (in shares)	18,128	17,823	18,045	17,872
Net potential common share equivalents – stock options and RSUs (in shares)	314	634	346	631
Diluted weighted average shares (in shares)	18,442	18,457	18,391	18,503
Excluded from diluted weighted average shares:
Anti-dilutive common share equivalents (in shares)	185	143	271	143