Revenue - Disaggregated Revenues and Product Sales for UNIFI (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 29, 2026	Mar. 30, 2025	Mar. 29, 2026	Mar. 30, 2025
Disaggregation Of Revenue [Line Items]
Net sales	$ 130,037	$ 146,557	$ 387,079	$ 432,809
Third-Party Manufacturer [Member]
Disaggregation Of Revenue [Line Items]
Net sales	129,237	145,519	384,554	429,611
Service [Member]
Disaggregation Of Revenue [Line Items]
Net sales	800	1,038	2,525	3,198
REPREVE Fiber [Member]
Disaggregation Of Revenue [Line Items]
Net sales	38,248	44,699	111,784	132,713
All Other Products and Services [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 91,789	$ 101,858	$ 275,295	$ 300,096