Basis of Presentation; Condensed Notes (Policies)	3 Months Ended
Oct. 01, 2023
Accounting Policies [Abstract]
Fiscal Period	The fiscal quarter for each of Unifi, Inc., its primary domestic operating subsidiaries and its subsidiary in El Salvador ended on October 1, 2023. Unifi, Inc.’s remaining material operating subsidiaries’ fiscal quarter ended on September 30, 2023. There were no significant transactions or events that occurred between Unifi, Inc.’s fiscal quarter end and such wholly owned subsidiaries’ fiscal quarter end. The three-month periods ended October 1, 2023 and October 2, 2022 both consisted of 13 weeks.

Disclosure of accounting policy for determining an entity's fiscal year or other fiscal period. This disclosure may include identification of the fiscal period end-date, the length of the fiscal period, any reporting period lag between the entity and its subsidiaries, or equity investees. If a reporting lag exists, the closing date of the entity having a different period end is generally noted, along with an explanation of the necessity for using different closing dates. Any intervening events that materially affect the entity's financial position or results of operations are generally also disclosed.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481231/810-10-45-12

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