Defined Contribution Plans - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
Jul. 02, 2023	Jul. 03, 2022
Defined Contribution Plan Disclosure [Line Items]
Total DCP obligation	$ 2,669	$ 2,359
Contribution for the First 3% [Member] \| Retirement Savings Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, employer matching contribution percentage	100.00%
Defined contribution plan, employer matching contribution, percent of employees' gross pay	3.00%
Contribution for the Next 2% [Member] \| Retirement Savings Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, employer matching contribution percentage	50.00%
Defined contribution plan, employer matching contribution, percent of employees' gross pay	2.00%

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

No definition available.

+ Details

Name:	us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480794/715-70-50-1

+ Details

Name:	us-gaap_DefinedContributionPlanDisclosureLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_StatementScenarioAxis=ufi_ContributionForTheFirstThreePercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RetirementPlanNameAxis=ufi_RetirementSavingsPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=ufi_ContributionForTheNextTwoPercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: