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. 29, 2014	$ 286,738	$ 1,831	$ 42,130	$ 245,673	$ (4,619)	$ 285,015	$ 1,723
Balance (in shares) at Jun. 29, 2014		18,314,000
Options exercised	95	$ 1	94			95
Options exercised (in shares)		11,000
Stock-based compensation	2,631		2,631			2,631
Conversion of restricted stock units		$ 3	(3)
Conversion of restricted stock units (in shares)		31,000
Common stock repurchased and retired under publicly announced program	$ (10,360)	$ (34)	(833)	(9,493)		(10,360)
Common stock repurchased and retired under publicly announced program (in shares)	(349,000)	(349,000)
Excess tax benefit on stock-based compensation plans	$ 242		242			242
Other comprehensive loss, net of tax	(22,280)				(22,280)	(22,280)
Contributions from non-controlling interest	1,561						1,561
Net income (loss)	40,466
Net income (loss) attributable to Unifi, Inc.	42,151			42,151		42,151
Net income (loss) attributable to non-controlling interest	(1,685)						(1,685)
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	17,847,416	17,847,000
Options exercised	$ 2,787	$ 31	2,756			2,787
Options exercised (in shares)	356,000	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