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Revenue Recognition - Additional Information (Details) $ in Thousands | 6 Months Ended
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Dec. 30, 2018 USD ($)
Revenue From Contract With Customer [Abstract] |
Change in contract assets balance | $ 10,537

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- Definition Change in contract assets balance upon recognition of satisfied performance obligations in connection with adoption of new revenue recognition guidance. + References No definition available. + Details
Name: | ufi_ChangeInContractAssetsBalanceUponRecognitionOfSatisfiedPerformanceObligationsInConnectionWithAdoptionOfNewRevenueRecognitionGuidance
Namespace Prefix: | ufi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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