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Financial Instruments (Details Textual 1) - USD ($)
$ in Millions
Dec. 26, 2020
Mar. 28, 2020
Bank Time Deposits [Member]    
Debt Securities, Available-for-sale [Line Items]    
Short-term Investments $ 165.7 $ 252.3
Commercial Paper [Member]    
Debt Securities, Available-for-sale [Line Items]    
Short-term Investments   $ 243.6