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Equity Method Investments (Details) - USD ($)
$ in Millions
3 Months Ended
Jul. 24, 2017
Jul. 25, 2016
Jun. 30, 2019
Apr. 30, 2019
Schedule of Equity Method Investments [Line Items]        
Equity method investment, gain     $ 15.8  
SDC        
Schedule of Equity Method Investments [Line Items]        
Ownership 2.00% 17.00%    
Payments to acquire $ 12.8 $ 46.7    
SDC        
Schedule of Equity Method Investments [Line Items]        
Derecognized equity method investment       $ 38.4
Notes Receivable [Member] | SDC        
Schedule of Equity Method Investments [Line Items]        
Promissory note receivable       $ 54.2