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Share-Based Compensation - Summary of Compensation Expense Attributable to Share-Based Compensation (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 29, 2018
Dec. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]        
Share-based compensation expense $ 11.9 $ 8.5 $ 38.3 $ 29.6
Tax benefit (deficit) related to share-based compensation expense $ 2.0 $ (0.6) $ 7.0 $ 6.2