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Stock-Based Compensation Plans - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Aug. 30, 2022
Aug. 26, 2020
Aug. 29, 2018
Aug. 05, 2015
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2023
Aug. 27, 2024
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Line Items]                
Share-based compensation expense         $ 4,708 $ 4,174 $ 5,314  
Aggregate intrinsic value of outstanding options         547 1,600    
Grant-date fair value of options granted         $ 542 $ 5,700 $ 5,100  
Options exercised (in shares)         0 35,000 28,000  
Vested and exercisable stock options (in shares)         434,567      
Outstanding with an aggregate intrinsic value         $ 534      
weighted average remaining contractual life (in years)         4 years 3 months 18 days      
Weighted average exercise price (in dollars per share)         $ 80.25      
Options                
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Line Items]                
Share-based compensation expense         $ 1,100 $ 1,800 $ 3,700  
Stock-based compensation expense, after Tax         $ 873 1,400 2,900  
Weighted average remaining vesting period (in years)         1 year 4 months 24 days      
Unrecognized compensation cost         $ 1,000      
Options | Maximum                
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Line Items]                
Options vesting period (in years)         5 years      
Options | Minimum                
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Line Items]                
Options vesting period (in years)         3 years      
2024 Equity Incentive Plan                
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Line Items]                
Number of shares authorized (in shares)               500,000
Shares available for grant at April 30, 2025         426,258      
Stock-based compensation, unvested options (in shares)         2,500      
Expiration period (in days)         10 years      
Options granted (in shares)         7,500      
Restated Option Plan                
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Line Items]                
Number of shares authorized (in shares)         434,567      
Shares available for grant at April 30, 2025         0      
Share-based compensation expense         $ 4,700 3,700 5,300  
Stock-based compensation expense, after Tax         $ 3,700 $ 2,900 $ 4,100  
Stock-based compensation, unvested options (in shares)         254,600      
Options granted (in shares)         22,281 197,486 140,000  
Restated Option Plan | Options                
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Line Items]                
Number of shares authorized (in shares)       1,800,000        
Number of additional shares authorized (in shares) 185,000 200,000 200,000 300,000        
Stock Incentive Plan                
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Line Items]                
Options granted (in shares)         29,781,000 197,486,000 140,000,000  
Stock Incentive Plan | Restricted Stock                
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Line Items]                
Number of shares authorized (in shares)     450,000          
Number of additional shares authorized (in shares)     100,000          
Restated Incentive Plan and 2024 Equity Incentive Plan                
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Line Items]                
Share-based compensation expense         $ 3,600 $ 1,800 $ 1,600  
Stock-based compensation expense, after Tax         $ 2,800 1,400 1,200  
Weighted average remaining vesting period (in years)         2 years 1 month 6 days      
Unrecognized compensation cost         $ 4,500      
Vesting for awards under the stock incentive plan         $ 14,900 $ 13,500 $ 11,100