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Fair Value Measurements (Details 2) - USD ($)
$ in Millions
12 Months Ended
Mar. 27, 2021
Mar. 28, 2020
Mar. 30, 2019
Mar. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Impairment of Long-Lived Assets Held-for-Use $ 96.0 $ 31.6 $ 21.2  
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 23.5 2.4 20.8  
Impairment of Long-Lived Assets Held-for-Use 44.1 16.8 25.8  
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 84.3 120.8    
Impairment of Long-Lived Assets Held-for-Use 51.9 239.9    
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 $ 0.0 $ 7.1 $ 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
Retained Earnings impact of adoption of ASU 2016-02       $ (169.4)