Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total Unifi, Inc. Shareholders' Equity [Member]	Non-controlling Interest [Member]
Balance at Jun. 28, 2015	$ 299,093	$ 1,801	$ 44,261	$ 278,331	$ (26,899)	$ 297,494	$ 1,599
Balance (in shares) at Jun. 28, 2015		18,007,000
Options exercised	181	$ 3	178			181
Options exercised (in shares)		27,000
Stock-based compensation	2,340		2,340			2,340
Conversion of restricted stock units		$ 2	(2)
Conversion of restricted stock units (in shares)		19,000
Common stock repurchased and retired under publicly announced program	$ (6,211)	$ (21)	(509)	(5,681)		(6,211)
Common stock repurchased and retired under publicly announced program (in shares)	(206,000)	(206,000)
Excess tax benefit on stock- based compensation plans	$ 120		120			120
Tax deficiency from stock- based compensation plans	(456)		(456)			(456)
Other comprehensive loss, net of tax	(2,852)				(2,852)	(2,852)
Contributions from non- controlling interest	1,560						1,560
Net income (loss)	33,170
Net income (loss) attributable to Unifi, Inc.	34,415			34,415		34,415
Net income (loss) attributable to non-controlling interest	(1,245)						(1,245)
Balance at Jun. 26, 2016	326,945	$ 1,785	45,932	307,065	(29,751)	325,031	1,914
Balance (in shares) at Jun. 26, 2016		17,847,000
Options exercised	2,787	$ 31	2,756			2,787
Options exercised (in shares)		313,000
Stock-based compensation	2,182		2,182			2,182
Conversion of restricted stock units		$ 7	(7)
Conversion of restricted stock units (in shares)		70,000
Excess tax benefit on stock- based compensation plans	1,060		1,060			1,060
Other comprehensive loss, net of tax	(3,129)				(3,129)	(3,129)
Deconsolidation for sale of business	(1,416)						(1,416)
Net income (loss)	32,377
Net income (loss) attributable to Unifi, Inc.	32,875			32,875		32,875
Net income (loss) attributable to non-controlling interest	(498)						$ (498)
Balance at Jun. 25, 2017	$ 360,806	$ 1,823	51,923	339,940	(32,880)	360,806
Balance (in shares) at Jun. 25, 2017	18,229,777	18,230,000
Options exercised	$ 219	$ 9	210			219
Options exercised (in shares)	123,000	86,000
Stock-based compensation	$ 5,075		5,075			5,075
Stock-based compensation (in shares)		4,000
Conversion of restricted stock units		$ 4	(4)
Conversion of restricted stock units (in shares)		47,000
Common stock withheld in satisfaction of tax withholding obligations under net share settle transactions	(479)	$ (1)	(478)			(479)
Common stock withheld in satisfaction of tax withholding obligations under net share settle transactions (in shares)		(14,000)
Other comprehensive loss, net of tax	(7,653)				(7,653)	(7,653)
Adoption of ASU No.2018-02 | Accounting Standards Update No. 2018-02 [Member]	111			111		111
Net income (loss)	31,702
Net income (loss) attributable to Unifi, Inc.	31,702			31,702		31,702
Balance at Jun. 24, 2018	$ 389,781	$ 1,835	$ 56,726	$ 371,753	$ (40,533)	$ 389,781
Balance (in shares) at Jun. 24, 2018	18,352,824	18,353,000