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Stockholders' Equity (Equity Compensation Plan, Additional Information) (Details) - shares
Aug. 31, 2021
Jan. 21, 2021
Aug. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum aggregate remaining number of shares subject to awards (in shares) 10,981,300   10,609,508
2021 EIP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum aggregate number of shares authorized (in shares)   11,000,000