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INCOME TAXES (Details 2) - USD ($)
$ in Thousands
 12 Months Ended
Jul. 28, 2018
Jul. 29, 2017
Operating loss carryforwards    
Valuation allowances related to deferred tax assets certain state tax credit carryforwards $ 445 $ 0
Tax benefits recognized related to tax examinations closed during the fiscal year 0  
Undistributed earnings of non-U.S. subsidiaries 13,300  
Deferred Tax Assets, Tax Credit Carryforwards, Foreign 445 $ 0
Federal tax authority    
Operating loss carryforwards    
Net operating loss carryforwards 2,300  
Annual limitation on use of operating loss carryforward amounts $ 300