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Note 1 - Background (Details) | Sep. 27, 2015
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Disclosure Text Block [Abstract] |
Number of Manufacturing Operations | 10
Number of Countries in which Entity Operates | 4

X
- Definition The number of the Company's manufacturing operations in various countries. + References No definition available. + Details
Name: | ufi_NumberOfManufacturingOperations
Namespace Prefix: | ufi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of countries in which the entity operates as of balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant