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Quarterly Results (Unaudited) - Schedule of Quarterly Financial Data (Details) (Parenthetical) $ in Thousands	3 Months Ended
	Jul. 03, 2022 USD ($)
Quarterly Financial Data [Abstract]
Additional week of sales	$ 8,700

X

- Definition

Additional week of sales.

+ References

No definition available.

+ Details

Name:	ufi_AdditionalWeekOfSales
Namespace Prefix:	ufi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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