Investments in Unconsolidated Affiliates and Variable Interest Entities - Schedule of Unaudited, Condensed Balance Sheet Information for Unconsolidated Affiliates (Details) - USD ($) $ in Thousands	Dec. 25, 2016	Jun. 26, 2016
Schedule Of Equity Method Investments [Line Items]
Current assets	$ 250,054	$ 256,978
Noncurrent assets	191,532	204,320
Current liabilities	46,497	60,969
Noncurrent liabilities	2,610	3,057
Shareholders’ equity and capital accounts	392,479	397,272
Unifi’s portion of undistributed earnings	45,010
Parkdale America LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Current assets	239,989	244,197
Noncurrent assets	190,400	203,251
Current liabilities	43,213	56,921
Noncurrent liabilities	2,610	3,057
Shareholders’ equity and capital accounts	384,566	387,470
Unifi’s portion of undistributed earnings	43,950
UNF and UNF America [Member]
Schedule Of Equity Method Investments [Line Items]
Current assets	10,065	12,781
Noncurrent assets	1,132	1,069
Current liabilities	3,284	4,048
Shareholders’ equity and capital accounts	7,913	$ 9,802
Unifi’s portion of undistributed earnings	$ 1,060