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INDEBTEDNESS (Narrative) (Details) - USD ($)
9 Months Ended
Oct. 24, 2016
Jun. 30, 2017
Jul. 01, 2016
Revolvers Borrowing Capacity Standard      
Debt Instrument [Line Items]      
Maximum borrowing capacity   $ 90,000,000  
Revolvers Borrowing Capacity Seasonal      
Debt Instrument [Line Items]      
Maximum borrowing capacity   $ 60,000,000  
Revolvers      
Debt Instrument [Line Items]      
Interest rate   2.50% 1.70%
Maximum amount of asset or stock acquisition   $ 20,000,000  
Ratio of indebtedness to net capital   2.5  
Debt covenant, minimum remaining borrowing availability   $ 10,000,000  
Maximum amount of dividends paid or stock repurchases   $ 10,000,000  
Revolvers | Maximum | LIBOR      
Debt Instrument [Line Items]      
Margin percentage   2.00%  
Revolvers | Minimum | LIBOR      
Debt Instrument [Line Items]      
Margin percentage   1.25%  
Unsecured Line Of Credit      
Debt Instrument [Line Items]      
Maximum borrowing capacity   $ 0 $ 0
Term Loans      
Debt Instrument [Line Items]      
Repayment of term loans $ 7,068,000    
Pre-payment penalty percentage 3.00%    
Interest rate 5.50%    
Financial Standby Letter of Credit      
Debt Instrument [Line Items]      
Letters of credit outstanding   $ 279,000 $ 451,000