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Income Taxes Income Tax Holiday Statutory Rate (Details) - Singapore [Member] - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Apr. 01, 2017
Income Tax Holiday [Line Items]      
Income Tax Holiday Statutory Tax Rate 17.00%    
Income Tax Holiday Pioneer Status Tax Rate 0.00%    
Benefit from income tax holiday $ 48.0 $ 61.5 $ 56.2
Benefit from income tax holiday, per share (in dollars per share) $ 0.19 $ 0.24 $ 0.21