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BUSINESS ACQUISITIONS (Proforma Information for Business Acquisitions) (Details) - TTE Laboratories, Inc. [Member] - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 27, 2021
Mar. 28, 2020
Business Acquisition [Line Items]    
Total Revenue $ 174,883 $ 182,459
Net Income $ 8,051 $ 9,017
Basic Earnings Per Share $ 1.08 $ 1.23
Diluted Earnings Per Share $ 1.07 $ 1.20