Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Mar. 26, 2017	Mar. 27, 2016	Mar. 26, 2017	Mar. 27, 2016
Earnings Per Share [Abstract]
Net income attributable to Unifi, Inc.	$ 9,177	$ 9,689	$ 23,171	$ 24,178
Basic weighted average shares (in shares)	18,210	17,838	18,105	17,861
Net potential common share equivalents – stock options and RSUs (in shares)	283	579	315	621
Diluted weighted average shares (in shares)	18,493	18,417	18,420	18,482
Excluded from diluted weighted average shares:
Anti-dilutive common share equivalents (in shares)	261	224	315	143

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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