Note 20 - Computation of Earnings Per Share (Details) - Computation of Basic and Diluted Earnings Per Share (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Jun. 29, 2014		Mar. 30, 2014		Dec. 29, 2013		Sep. 29, 2013		Jun. 30, 2013		Mar. 24, 2013		Dec. 23, 2012		Sep. 23, 2012		Jun. 29, 2014	Jun. 30, 2013	Jun. 24, 2012
Computation of Basic and Diluted Earnings Per Share [Abstract]
Net income attributable to Unifi, Inc. (in Dollars)	$ 8,767		$ 4,743		$ 6,443		$ 8,870		$ 10,516	[1]	$ 1,399		$ 2,426		$ 2,294		$ 28,823	$ 16,635	$ 11,491
Weighted average common shares outstanding																	18,919	19,909	20,088
Basic EPS (in Dollars per share)	$ 0.48	[2]	$ 0.25	[2]	$ 0.34	[2]	$ 0.46	[2]	$ 0.54	[1],[2]	$ 0.07	[2]	$ 0.12	[2]	$ 0.11	[2]	$ 1.52	$ 0.84	$ 0.57
Net income attributable to Unifi, Inc. (in Dollars)	$ 8,767		$ 4,743		$ 6,443		$ 8,870		$ 10,516	[1]	$ 1,399		$ 2,426		$ 2,294		$ 28,823	$ 16,635	$ 11,491
Weighted average common shares outstanding																	18,919	19,909	20,088
Net potential common share equivalents – stock options and RSUs and RSU’s																	702	796	306
Adjusted weighted average common shares outstanding																	19,621	20,705	20,394
Diluted EPS (in Dollars per share)	$ 0.46	[2]	$ 0.24	[2]	$ 0.32	[2]	$ 0.44	[2]	$ 0.52	[1],[2]	$ 0.07	[2]	$ 0.12	[2]	$ 0.11	[2]	$ 1.47	$ 0.80	$ 0.56
Anti-dilutive common share equivalents																	91	210	184
Unvested options that vest upon achievement of certain market conditions	13								27								13	27	567

[1] The fiscal quarter ended June 30, 2013 contained 14 fiscal weeks whereas the previous quarters of 2013 each contained 13 fiscal weeks.

[2] Income per share is computed independently for each of the periods presented. The sum of the income per share amounts for the quarters may not equal the total for the year.