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Note 16 - Stock Based Compensation (Detail) - Stock Options Subject to Service Conditions - Summary of Non-vested Shares (USD $) In Thousands, except Per Share data, unless otherwise specified | 6 Months Ended | 3 Months Ended | 50 Months Ended
--- | --- | --- | ---
Dec. 23, 2012 | Dec. 23, 2012 Stock Options Subject to Service Conditions [Member] The 2008 LTIP [Member] | Sep. 23, 2012 Stock Options Subject to Service Conditions [Member] | Dec. 23, 2012 Stock Options Subject to Service Conditions [Member]
Non-vested, shares |  | 312 |  |
Non-vested, weighted average grant date fair value (in Dollars per share) |  | $ 5.19 |  |
Granted | 138 | 138 | 138 | 832
Granted (in Dollars per share) |  | $ 7.28 | $ 7.28 |
Vested |  | (227) |  |
Vested (in Dollars per share) |  | $ 4.19 |  |
Non-vested, shares |  | 223 |  |
Non-vested, weighted average grant date fair value (in Dollars per share) |  | $ 7.50 |  |

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- Definition The number of shares under options that vested during the reporting period. + References No definition available. + Details
Name: | ufi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriod
Namespace Prefix: | ufi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average grant-date fair value of options vested during the reporting period as calculated by applying the disclosed option pricing methodology. + References No definition available. + Details
Name: | ufi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | ufi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average grant-date fair value of un-vested options that are outstanding as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | ufi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of un-vested shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date. + References No definition available. + Details
Name: | ufi_ShareBasedCompensationArrangementByShareBasedPaymentUnvestedAwardOptionsOutstandingNumber
Namespace Prefix: | ufi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition No authoritative reference available. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
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Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
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Period Type: | duration