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Stock-based Compensation (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Summary of the total compensation expense and the associated income tax benefits recognized related to stock-based compensation arrangements        
Compensation expense $ 21.3 $ 17.8 $ 42.8 $ 39.4
Income tax benefit $ (3.3) $ (6.7) $ (6.5) (14.6)
Accelerated stock-based compensation expense       $ 2.1