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Note 24 - Commitments and Contingencies (Details) - Utility Costs for Unconditional Purchase Obligations (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Jun. 29, 2014 | Jun. 30, 2013 | Jun. 24, 2012
Utility Costs for Unconditional Purchase Obligations [Abstract] |  |  |
Costs for unconditional purchase obligations | $ 31,386 | $ 31,953 | $ 31,272
Costs for unconditional service obligations | 5,932 | 5,679 | 5,598
Total | $ 37,318 | $ 37,632 | $ 36,870

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- Definition Costs for unconditional obligations. + References No definition available. + Details
Name: | ufi_CostsForUnconditionalObligations
Namespace Prefix: | ufi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Costs for unconditional service obligations. + References No definition available. + Details
Name: | ufi_CostsForUnconditionalServiceObligations
Namespace Prefix: | ufi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount purchased during the period under utility purchase contracts. + References No definition available. + Details
Name: | ufi_PurchasesUtilities
Namespace Prefix: | ufi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ufi_UtilityCostsForUnconditionalPurchaseObligationsAbstract
Namespace Prefix: | ufi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration