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BUSINESS ACQUISITIONS (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 26, 2022
Mar. 27, 2021
BUSINESS ACQUISITIONS (Details) [Line Items]    
Purchase price held in escrow as holdback $ 100  
Revenue contribution 204,959 $ 173,335
Operating loss $ 14,143 $ 11,073
Risk-free interest rate 1.01% 0.22%
Asset volatility, Percentage 30.22% 25.83%
Tangent [Member]    
BUSINESS ACQUISITIONS (Details) [Line Items]    
Revenue contribution $ 600  
Date of acquisition Dec. 31, 2021  
Tangent [Member] | Maximum [Member]    
BUSINESS ACQUISITIONS (Details) [Line Items]    
Cash paid for acquisition $ 8,900  
Tangent [Member] | Minimum [Member]    
BUSINESS ACQUISITIONS (Details) [Line Items]    
Cash paid for acquisition 7,900  
Operating loss 100  
Nexa [Member]    
BUSINESS ACQUISITIONS (Details) [Line Items]    
Cash paid for acquisition 23,900  
Purchase price held in escrow as holdback 1,000  
Revenue contribution 5,500  
Purchase price $ 26,200  
Shares issue for acquisition (in Shares) 34,943  
Shares issue value assigned $ 2,400  
Eearn-out payments 7,500  
Estimated fair value of contingent earn-out payments $ 200  
Weighted-average cost of capital 6.60%  
Risk-free interest rate 0.58%  
Asset volatility, Percentage 20.00%  
Date of acquisition Aug. 31, 2021  
Nexa [Member] | Minimum [Member]    
BUSINESS ACQUISITIONS (Details) [Line Items]    
Operating loss $ 300  
Upstate Metrology [Member]    
BUSINESS ACQUISITIONS (Details) [Line Items]    
Purchase price held in escrow as holdback 900  
Revenue contribution $ 1,000  
Purchase price allocation description All the goodwill related to the Upstate Metrology acquisition has been allocated to the Service segment. Amortization of goodwill related to the Upstate Metrology acquisition is deductible for tax purposes.   
Date of acquisition Apr. 29, 2021  
BioTek Services, Inc. [Member]    
BUSINESS ACQUISITIONS (Details) [Line Items]    
Cash paid for acquisition $ 3,500  
Purchase price held in escrow as holdback 400  
Estimated fair value of contingent earn-out payments $ 200  
Purchase price allocation description All of the goodwill and intangible assets relating to the BioTek acquisition has been allocated to the Service segment. Intangible assets related to the BioTek acquisition are being amortized for financial reporting purposes on an accelerated basis over the estimated useful life of up to 10 years and are deductible for tax purposes. Amortization of goodwill related to the BioTek acquisition is deductible for tax purposes.   
Unpaid amounts for other holdbacks $ 100  
Acquisition costs $ 900 $ 100
Date of acquisition Dec. 16, 2020