Revenue Recognition - Disaggregated Revenues and Product Sales for UNIFI (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 26, 2021	Sep. 27, 2020
Disaggregation Of Revenue [Line Items]
Net sales	$ 195,992	$ 141,505
Third-Party Manufacturer [Member]
Disaggregation Of Revenue [Line Items]
Net sales	193,297	138,841
Service [Member]
Disaggregation Of Revenue [Line Items]
Net sales	2,695	2,664
REPREVE Fiber [Member]
Disaggregation Of Revenue [Line Items]
Net sales	71,906	51,612
All Other Products and Services [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 124,086	$ 89,893