Investments in Unconsolidated Affiliates - Schedule of Unaudited, Condensed Balance Sheet Information for Unconsolidated Affiliates (Details) - USD ($) $ in Thousands	Apr. 02, 2023	Jan. 01, 2023	Jul. 03, 2022	Mar. 27, 2022	Dec. 26, 2021	Jun. 27, 2021
Schedule Of Equity Method Investments [Line Items]
Current assets	$ 297,722		$ 352,266
Current liabilities	76,489		108,792
Shareholders’ equity and capital accounts	334,908	$ 334,879	361,449	$ 377,265	$ 361,192	$ 358,419
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule Of Equity Method Investments [Line Items]
Current assets	9,150		10,705
Non-current assets	521		605
Current liabilities	6,542		8,056
Shareholders’ equity and capital accounts	3,129		3,254
UNIFI’s portion of undistributed earnings	$ 2,445		$ 2,013