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Fair Value Measurements (Details 2) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Dec. 26, 2020
Dec. 28, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cumulative adjustment from adoption of new accounting standards       $ (164.5)
Property, Plant and Equipment [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair Value as of Impairment Date $ 0.0 $ 0.0 $ 0.0 0.0
Impairment of Long-Lived Assets 2.2 11.0 13.0 13.6
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 0.0 13.2 33.9 109.6
Impairment of Long-Lived Assets $ 0.4 $ 3.4 $ 22.7 233.2
Accounting Standards Update 2016-02 [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cumulative adjustment from adoption of new accounting standards       169.4
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]        
Impairment of Long-Lived Assets       $ 225.1