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Note 17 - Raw Material Purchases under Supply Agreement (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Dec. 27, 2015 | Dec. 28, 2014
UNF [Member] |  |
Raw Material Purchases Under Supply Agreement | $ 1,356 | $ 1,817
UNF America [Member] |  |
Raw Material Purchases Under Supply Agreement | 13,441 | 14,274
UNF and UNF America [Member] |  |
Raw Material Purchases Under Supply Agreement | $ 14,797 | $ 16,091

X
- Definition Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=ufi_UNFMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=ufi_UNFAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=ufi_UNFAndUNFAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |