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LONG-TERM DEBT (Details)
$ in Thousands
1 Months Ended 9 Months Ended 12 Months Ended
May 18, 2020
USD ($)
Dec. 26, 2020
USD ($)
Mar. 28, 2020
USD ($)
Debt Instrument [Line Items]      
Current portion of loan outstanding   $ 2,046 $ 1,982
Leverage ratio   1.24 1.53
2018 Term Loan [Member]      
Debt Instrument [Line Items]      
Interest rate for period   4.15%  
Principal amount of loan   $ 15,000  
Loan outstanding   11,100  
Current portion of loan outstanding   2,000  
Monthly principal payments   200  
Borrowings used for business acquisitions   3,400  
2018 Term Loan [Member]      
Debt Instrument [Line Items]      
Amount available   40,000  
Amount outstanding   $ 13,200  
Amended and Restated Credit Facility Agreement Amendment 2 [Member]      
Debt Instrument [Line Items]      
Maturity date   Oct. 20, 2022  
Revolving credit commitment   $ 40,000  
Amount used to pay tax obligations $ 2,500    
Threshold for capital expenditures per amended Credit Facility Agreement   $ 5,500  
Allowable leverage ratio   3.0  
Amended and Restated Credit Facility Agreement Amendment 2 [Member] | Minimum [Member]      
Debt Instrument [Line Items]      
Interest rate for period   1.40%  
Amended and Restated Credit Facility Agreement Amendment 2 [Member] | Maximum [Member]      
Debt Instrument [Line Items]      
Interest rate for period   2.70%  
Amended and Restated Credit Facility Agreement Amendment 2 [Member] | London Interbank Offered Rate (LIBOR) [Member]      
Debt Instrument [Line Items]      
Floor rate   1.00%  
Revolving Credit Facility Second Quarter [Member]      
Debt Instrument [Line Items]      
Allowable leverage ratio   5.0  
Revolving Credit Facility Third Quarter [Member]      
Debt Instrument [Line Items]      
Allowable leverage ratio   5.5  
Revolving Credit Facility Fourth Quarter [Member]      
Debt Instrument [Line Items]      
Allowable leverage ratio   7.0  
Revolving Credit Facility First Quarter 2022 [Member]      
Debt Instrument [Line Items]      
Allowable leverage ratio   4.0