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Note 17 - Fair Value of Financial Instruments and Non-financial Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified | 0 Months Ended | 3 Months Ended | 6 Months Ended | 19 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
May 18, 2012 | Dec. 28, 2014 | Dec. 29, 2013 | Dec. 28, 2014 | Dec. 29, 2013 | Feb. 28, 2015 | Jun. 29, 2014 | Dec. 02, 2013 | May 31, 2013
Note 17 - Fair Value of Financial Instruments and Non-financial Assets and Liabilities (Details) [Line Items] |  |  |  |  |  |  |  |  |
Maximum Length of Time Hedged in Interest Rate Cash Flow Hedge | 5 years |  |  |  |  |  |  |  |
Derivative, Swaption Interest Rate |  | 1.06%us-gaap_DerivativeSwaptionInterestRate |  | 1.06%us-gaap_DerivativeSwaptionInterestRate |  |  |  |  |
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net |  |  |  | $ (193)us-gaap_InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet | $ (300)us-gaap_InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet |  |  |  |
Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments |  | (12)us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments | 148 us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments | 246 us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments | 8 us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments |  |  |  |
Business Combination, Contingent Consideration, Liability |  | 1,637 us-gaap_BusinessCombinationContingentConsiderationLiability |  | 1,637 us-gaap_BusinessCombinationContingentConsiderationLiability |  |  | 2,026 us-gaap_BusinessCombinationContingentConsiderationLiability | 2,500 us-gaap_BusinessCombinationContingentConsiderationLiability |
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |
Note 17 - Fair Value of Financial Instruments and Non-financial Assets and Liabilities (Details) [Line Items] |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  |  | 50,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = us-gaap_InterestRateSwapMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember |  |  |
Interest Rate Swap [Member] | Cash Flow Hedging [Member] |  |  |  |  |  |  |  |  |
Note 17 - Fair Value of Financial Instruments and Non-financial Assets and Liabilities (Details) [Line Items] |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | 50,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = us-gaap_InterestRateSwapMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember | 55,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = us-gaap_InterestRateSwapMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember |  | 55,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = us-gaap_InterestRateSwapMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember |  |  |  |  | 85,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = us-gaap_InterestRateSwapMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember
Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |
Note 17 - Fair Value of Financial Instruments and Non-financial Assets and Liabilities (Details) [Line Items] |  |  |  |  |  |  |  |  |
Quarterly Decrease in Notional Amount of Interest Rate Cash Flow Hedge Derivatives |  |  |  |  |  | 5,000 ufi_QuarterlyDecreaseInNotionalAmountOfInterestRateCashFlowHedgeDerivatives / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember |  |  |
Dillon [Member] | Accrued Expenses [Member] |  |  |  |  |  |  |  |  |
Note 17 - Fair Value of Financial Instruments and Non-financial Assets and Liabilities (Details) [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability |  | 525 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BalanceSheetLocationAxis = ufi_AccruedExpensesMember / us-gaap_BusinessAcquisitionAxis = ufi_DilionMember |  | 525 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BalanceSheetLocationAxis = ufi_AccruedExpensesMember / us-gaap_BusinessAcquisitionAxis = ufi_DilionMember |  |  |  |  |
Dillon [Member] | Other Noncurrent Liabilities [Member] |  |  |  |  |  |  |  |  |
Note 17 - Fair Value of Financial Instruments and Non-financial Assets and Liabilities (Details) [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability |  | 1,637 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherNoncurrentLiabilitiesMember / us-gaap_BusinessAcquisitionAxis = ufi_DilionMember |  | 1,637 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherNoncurrentLiabilitiesMember / us-gaap_BusinessAcquisitionAxis = ufi_DilionMember |  |  |  |  |
Dillon [Member] |  |  |  |  |  |  |  |  |
Note 17 - Fair Value of Financial Instruments and Non-financial Assets and Liabilities (Details) [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability |  | $ 2,162 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BusinessAcquisitionAxis = ufi_DilionMember |  | $ 2,162 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BusinessAcquisitionAxis = ufi_DilionMember |  |  | $ 2,563 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BusinessAcquisitionAxis = ufi_DilionMember |  |

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Quarterly decrease in notional amount of interest rate cash flow hedge derivatives. + References No definition available. + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 + Details
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- Definition Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract. + References No definition available. + Details
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- Definition Amount of gain (loss) included in earnings for the period from the increase (decrease) in fair value of interest rate derivatives not designated as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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- Definition The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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- Definition Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
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