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INVESTMENTS (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 03, 2018
Feb. 25, 2017
Mar. 03, 2018
Feb. 25, 2017
May 27, 2017
Investment [Line Items]          
Available for sale - equity securities         $ 600
Available for sale securities - gross realized gains     $ 200 $ 100  
Net unrealized holding gains included in AOCI       100  
Proceeds from sales of available-for-sale securities $ 648 $ 78 913 $ 225  
Proceeds from sale of assets     276    
Time Deposits and Cetificate of Deposits[Member]          
Investment [Line Items]          
Investments, carrying value         8,200
Investment, less than twelve months $ 200   $ 200   6,400
Investment, greater than twelve months         $ 1,800