XML 120 R103.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Defined Contribution Plan - Additional Information (Details) - Retirement Savings Plan [Member] | 12 Months Ended
--- | ---
Jun. 24, 2018
Contribution for the First 3% [Member] |
Defined Contribution Plan Disclosure [Line Items] |
Defined contribution plan, employer matching contribution percentage | 100.00%
Defined contribution plan, employer matching contribution, percent of employees' gross pay | 3.00%
Contribution for the Next 2% [Member] |
Defined Contribution Plan Disclosure [Line Items] |
Defined contribution plan, employer matching contribution percentage | 50.00%
Defined contribution plan, employer matching contribution, percent of employees' gross pay | 2.00%

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementScenarioAxis=ufi_ContributionForTheFirstThreePercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanNameAxis=ufi_RetirementSavingsPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=ufi_ContributionForTheNextTwoPercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |