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General (Details) - USD ($)
3 Months Ended
Aug. 09, 2022
Oct. 31, 2022
Oct. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Transition costs   $ 9,090,000 $ 0
CEO transition costs related to equity-classified stock-based awards   $ 3,764,000 $ 0
Former CEO      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Transition costs $ 7,424,000    
CEO transition costs related to equity-classified stock-based awards 3,764,000    
Severance costs 3,660,000    
Cash portion of transition costs 3,660,000    
President and CEO      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Cash sign-on bonus $ 1,000,000