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Commitments and Contingencies - Narrative (Details)
$ in Millions
12 Months Ended
May 01, 2021
USD ($)
site
May 02, 2020
USD ($)
Apr. 27, 2019
USD ($)
Mar. 02, 2020
USD ($)
Loss Contingencies [Line Items]        
Site contingency, number of sites subject to environmental investigation or remediation | site 2      
Accrual for environmental loss contingencies $ 0.9 $ 0.9    
Environmental remediation expense 0.5 0.5 $ 0.1  
Compensatory Damages        
Loss Contingencies [Line Items]        
Gain Contingency, Unrecorded Amount       $ 102.0
Punitive Damages        
Loss Contingencies [Line Items]        
Gain Contingency, Unrecorded Amount       $ 11.0
Other accrued expenses        
Loss Contingencies [Line Items]        
Accrual for environmental loss contingencies $ 0.6 $ 0.6