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LONG-TERM DEBT (Details)
$ in Thousands
12 Months Ended
Mar. 31, 2018
USD ($)
Mar. 25, 2017
USD ($)
Debt Instrument [Line Items]    
Current portion of loan outstanding $ 2,143 $ 1,429
Allowable leverage ratio 3.00 2.75
Loans Payable [Member]    
Debt Instrument [Line Items]    
Principal amount of loan $ 15,000  
Loan outstanding 14,100  
Current portion of loan outstanding 2,100  
Monthly principal payments 200  
Annual payments 20,000  
Amount due in 2022 4,300  
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 30,000  
Debt Instrument, Interest Rate, Stated Percentage 1.90%  
Maturity date Oct. 29, 2021  
Amount available $ 30,000  
Amount outstanding $ 8,700  
Allowable leverage ratio 3.0  
Revolving Credit Facility [Member] | Minimum [Member]    
Debt Instrument [Line Items]    
Interest rate for period 3.00%  
Revolving Credit Facility [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Interest rate for period 3.60%  
Revolving Credit Facility [Member] | Borrowings for Business Acquisitions [Member]    
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 15,000 $ 15,000
Principal amount of loan 10,000  
Monthly principal payments 100  
Annual payments 1,400  
Amount due in 2022 $ 3,000