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Investments (Summary) (Details) - USD ($)
$ in Thousands
Mar. 30, 2019
Mar. 31, 2018
Investments, Debt and Equity Securities [Abstract]    
Available-for-sale debt securities $ 13,408 $ 16,181
Marketable Equity Securities 11,073  
Marketable Equity Securities   10,405
Equity Method Investments 20,276 18,853
Investments $ 44,757 $ 45,439