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Fair Value Measurements (Details) - USD ($)
$ in Millions
Dec. 26, 2020
Mar. 28, 2020
Financial assets recorded at fair value:    
Derivative Asset, Fair Value $ 2.9 $ 62.3
Financial liabilities recorded at fair value:    
Derivative Liability, Fair Value 60.6 6.9
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]    
Financial assets recorded at fair value:    
Derivative Asset, Fair Value 2.9 62.3
Financial liabilities recorded at fair value:    
Derivative Liability, Fair Value 60.6 6.9
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Commercial Paper [Member]    
Financial assets recorded at fair value:    
Investments, Fair Value Disclosure $ 0.0 $ 243.6