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Note 1 - General (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Sep. 24, 2022
Sep. 25, 2021
Mar. 26, 2022
Investments, Total $ 0.2   $ 0.2
Share-Based Payment Arrangement, Expense 1.9 $ 1.1  
Foreign Currency Transaction Gain (Loss), Realized 0.1    
Foreign Currency Transaction Gain (Loss), Unrealized $ 0.3 $ 0.1  
Dilutive Securities, Effect Per Share on Earnings (in dollars per share) $ 0.01 $ 0.02  
Foreign Exchange Contract [Member]      
Derivative Asset, Notional Amount $ 3.9