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Fair Value Measurements (Details 2) - USD ($)
$ in Millions
12 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Mar. 31, 2018
Mar. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Impairment of Long-Lived Assets Held-for-Use $ 31.6 $ 21.2 $ 41.2  
Impairment of Equity Method Investment 7.1      
Impairment of Long-Lived Assets to be Disposed of   4.6    
Fair value, less costs to sell, of asset held-for-sale   20.8    
Property, Plant and Equipment [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair Value as of Impairment Date 2.4 20.8 0.0  
Impairment of Long-Lived Assets Held-for-Use 16.8 25.8 41.2  
Operating Lease, Right-of-Use Asset [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair Value as of Impairment Date 120.8      
Impairment of Long-Lived Assets Held-for-Use 239.9      
Indefinite-lived Intangible Assets [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair Value as of Impairment Date     2.9  
Impairment of Long-Lived Assets Held-for-Use 0.0 0.0 8.8  
Equity Method Investments [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair Value as of Impairment Date 1.3      
Impairment of Equity Method Investment $ 7.1 $ 0.0 $ 0.0  
Accounting Standards Update 2016-02 [Member] | Operating Lease, Right-of-Use Asset [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
ROU Asset impairment, impact of adoption of ASU 2016-02       $ 225.1
Cumulative Effect of New Accounting Principle in Period of Adoption       $ (169.4)