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Note 19 - Related Party Transactions (Details Textual) - Salem Leasing Corporation [Member] $ in Millions | 6 Months Ended
--- | ---
Dec. 27, 2015 USD ($)
Minimum [Member] |
Lessee Leasing Arrangements, Operating Leases, Renewal Term | 4 years
Maximum [Member] |
Lessee Leasing Arrangements, Operating Leases, Renewal Term | 6 years
Increase (Decrease) in Operating Lease Obligations | $ 6.5

X
- Definition Change in recurring obligations of a business that arise from operating leases regarding the exchange of equipment or the extension of the equipment's lease. + References No definition available. + Details
Name: | ufi_IncreaseDecreaseInOperatingLeaseObligations
Namespace Prefix: | ufi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Term of the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LesseeLeasingArrangementsOperatingLeasesRenewalTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ufi_SalemLeasingCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |