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Debt - Other Debt (Details)
$ in Millions
12 Months Ended
May 02, 2020
USD ($)
note
Apr. 27, 2019
USD ($)
Debt Instrument [Line Items]    
Debt, short-term $ 15.3 $ 15.7
Other Debt    
Debt Instrument [Line Items]    
Number of notes | note 15  
Weighted-average interest rate (as a percent) 1.50%  
Debt, short-term $ 2.8  
Debt, fair value $ 14.2