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Stock-Based Compensation - Stock Options, Additional Information (Details) - Stock Options
3 Months Ended
Jul. 25, 2020
shares
Stock-Based Compensation  
Shares granted (in shares) 315,584
Minimum  
Stock-Based Compensation  
Vesting period 1 year
Period of recognition of expenses for retirement-eligible employees from the grant date 10 months
Maximum  
Stock-Based Compensation  
Vesting period 4 years