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Stock-Based Compensation (Performance Shares, RSUs, Restricted Stock and Share Unit Awards) (Details)
 3 Months Ended
Aug. 01, 2022
Jul. 31, 2022
Jul. 31, 2017
Oct. 31, 2024
USD ($)
$ / shares
shares
Oct. 31, 2023
USD ($)
Jan. 10, 2025
USD ($)
Jul. 31, 2024
USD ($)
Jul. 31, 2023
Jul. 30, 2017
Additional Disclosures                  
Estimated forfeitures related to unvested stock-based awards       $ 708,000          
Forfeitures related to total unrecognized stock based compensation authorization pending           $ 2,000,000      
Aggregate maximum number of shares of common stock which may be issued under stock option plan (in shares) | shares       2,195,000          
Dividend Equivalents [Abstract]                  
Reversal of dividend equivalents       $ 27,000 $ 23,000        
Carrying value at period end       494,139,000     $ 426,105,000    
Income tax (expense) benefit from settlement of stock-based awards       $ (25,000) (444,000)        
Performance shares, RSUs, Restricted stock and share units                  
Awards (In Shares)                  
Outstanding, Beginning Balance (in shares) | shares       1,800,288          
Granted (in shares) | shares       1,154,859          
Settled (in shares) | shares       (204,292)          
Canceled/Forfeited (in shares) | shares       (128,892)          
Outstanding, Ending Balance (in shares) | shares       2,621,963          
Vested, Ending Balance (in shares) | shares       628,254          
Vested and Expected to Vest, Ending Balance (in shares) | shares       2,509,221          
Weighted Average Grant Date Fair Value                  
Outstanding, Beginning Balance (in dollars per share) | $ / shares       $ 10.61          
Granted (in dollars per share) | $ / shares       5.04          
Settled (in dollars per share) | $ / shares       11.26          
Canceled/Forfeited (in dollars per share) | $ / shares       10.61          
Outstanding, Ending Balance (in dollars per share) | $ / shares       8.11          
Vested, Ending Balance (in dollars per share) | $ / shares       12.63          
Vested and Expected to Vest, Ending Balance (in dollars per share) | $ / shares       $ 8.02          
Aggregate Intrinsic Value                  
Outstanding, Ending Balance       $ 9,754,000          
Vested, Ending Balance       2,337,000          
Vested and Expected to Vest, Ending Balance       9,334,000          
Additional Disclosures                  
Total intrinsic value relating to fully vested stock-based awards converted during the period       $ 636,000 2,656,000        
Performance shares | Employees | Granted since fiscal 2014                  
Additional Disclosures                  
Performance period (in years)       3 years          
RSUs and restricted stock | Employees                  
Additional Disclosures                  
Vesting period 3 years 5 years              
Common stock, conversion ratio (in shares)   1              
RSUs and restricted stock | Non-Employee Director                  
Additional Disclosures                  
Vesting period 1 year 5 years 1 year            
Common stock, conversion ratio (in shares)               1 1
Dividend equivalents                  
Dividend Equivalents [Abstract]                  
Reversal of dividend equivalents       $ (27,000)          
Reversal of dividend equivalents         (23,000)        
Paid during the period       39,000 $ 114,000        
Carrying value at period end       $ 250,000     $ 316,000