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Note 24 - Commitments and Contingencies (Details)		12 Months Ended
	Sep. 30, 2004	Jun. 28, 2015
Commitments and Contingencies Disclosure [Abstract]
The Term of A Former Ground Lease	99 years
Number of Years of Monitoring and Reporting Costs of an Individual Site		7 years

X

- Definition

Number of years of monitoring and reporting costs of an individual site for environmental remediation.

+ References

No definition available.

+ Details

Name:	ufi_NumberOfYearsOfMonitoringAndReportingCostsOfAnIndividualSite
Namespace Prefix:	ufi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The term of a former ground lease with E.I. DuPont de Nemours.

+ References

No definition available.

+ Details

Name:	ufi_TheTermOfAFormerGroundLease
Namespace Prefix:	ufi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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