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Significant Customers and Concentrations of Credit Risk (Details) - Customer
3 Months Ended 9 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 28, 2019
Dec. 29, 2018
Mar. 30, 2019
Concentration Risk [Line Items]          
Percentage of Accounts Receivable Accounted From Company Distributor One 33.00%   33.00%   37.00%
Percentage of net revenues through resale of product from Company Distributor One 45.00% 42.00% 41.00% 47.00%  
Number Of Distributors Accounted For Net Revenues 0   0 0  
Number of End Customers Accounted For 10% or More of Net Revenues 1 0 1 0  
Percentage of end customer accounted for more than 10% of revenue 12.00%   11.00%    
Percentage of higher grade security investment in debt securities 94.00%   94.00%    
Distribution For Subsequent Resale To OEMs [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 57.00% 50.00% 52.00% 56.00%