Note 14 - Expiration of Net Operating Loss Carryforwards (Details)	12 Months Ended
Jun. 26, 2016
Earliest Tax Year [Member]
State net operating loss carryforwards	2017
Latest Tax Year [Member]
State net operating loss carryforwards	2033

Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY format.

No definition available.

Name:	ufi_OperatingLossCarryforwardsExpirationYear
Namespace Prefix:	ufi_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration