Property, Plant and Equipment, Net - Additional Information (Details) - USD ($)		3 Months Ended		12 Months Ended
		Jun. 29, 2025	Jul. 02, 2023	Jun. 29, 2025	Jun. 30, 2024	Jul. 02, 2023	Apr. 02, 2023	Jun. 25, 2017
Property, Plant and Equipment [Line Items]
Net proceeds from sale		$ 43,322,000		$ 51,553,000	$ 519,000	$ 209,000
Gain from sale		35,807,000		39,317,000	(62,000)	(278,000)
Impairment for asset abandonment	[1]					$ 8,247,000
Book value of asset		172,923,000		172,923,000	$ 193,723,000
Bi-component Spinning Machinery [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Useful life								15 years
Book value of asset		0		0			$ 8,247,000
Scrap or salvage value		$ 0		$ 0
Other Operating Expense, Net [Member] | Bi-component Spinning Machinery [Member]
Property, Plant and Equipment [Line Items]
Impairment for asset abandonment			$ 8,247,000

[1] In fiscal 2023, UNIFI abandoned certain specialized machinery in the Americas and recorded an impairment charge.