Revenue - Disaggregated Revenues and Product Sales for UNIFI (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 28, 2025	Dec. 29, 2024
Disaggregation Of Revenue [Line Items]
Net sales	$ 121,368	$ 138,880	$ 257,042	$ 286,252
Third-Party Manufacturer [Member]
Disaggregation Of Revenue [Line Items]
Net sales	120,582	137,873	255,317	284,092
Service [Member]
Disaggregation Of Revenue [Line Items]
Net sales	786	1,007	1,725	2,160
REPREVE Fiber [Member]
Disaggregation Of Revenue [Line Items]
Net sales	34,264	43,272	73,536	88,014
All Other Products and Services [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 87,104	$ 95,608	$ 183,506	$ 198,238