Revenue - Disaggregated Revenues and Product Sales for UNIFI (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 01, 2023	Dec. 26, 2021	Jan. 01, 2023	Dec. 26, 2021
Disaggregation Of Revenue [Line Items]
Net sales	$ 136,212	$ 201,410	$ 315,731	$ 397,402
Third-Party Manufacturer [Member]
Disaggregation Of Revenue [Line Items]
Net sales	135,018	199,585	313,230	392,882
Service [Member]
Disaggregation Of Revenue [Line Items]
Net sales	1,194	1,825	2,501	4,520
REPREVE Fiber [Member]
Disaggregation Of Revenue [Line Items]
Net sales	42,866	81,524	92,045	153,430
All Other Products and Services [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 93,346	$ 119,886	$ 223,686	$ 243,972