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Commitments and Contingencies - Schedule of Costs Incurred Under Purchases and Services Obligations (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jul. 03, 2022 | Jun. 27, 2021 | Jun. 28, 2020
Commitments And Contingencies Disclosure [Abstract] |  |  |
Costs for unconditional purchase obligations | $ 24,236 | $ 22,689 | $ 21,483
Costs for unconditional service obligations | 912 | 967 | 2,082
Total | $ 25,148 | $ 23,656 | $ 23,565

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

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Definition The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308 + Details
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