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STOCKHOLDERS' EQUITY - Stock-Based Compensation Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2022 | Jul. 31, 2021 | Jul. 31, 2020
Stock Based Compensation And Stockholders Equity [Line Items] |  |  |
Total compensation expenses | $ 31,421 | $ 30,514 | $ 19,889
Total unrecognized compensation costs | $ 36,877 |  |
Period for recognition of compensation cost not yet recognized | 2 years 29 days |  |
Tax benefits from stock compensation expense | $ 4,260 | 3,532 | 4,775
2016 Equity Incentive Plan |  |  |
Stock Based Compensation And Stockholders Equity [Line Items] |  |  |
Number of shares authorized under stock option plan (in shares) | 3,600,000 |  |
Number of shares available to be granted (in shares) | 1,878,887 |  |
Performance Shares (PSUs) | Share-based Payment Arrangement, Tranche One |  |  |
Stock Based Compensation And Stockholders Equity [Line Items] |  |  |
Award vesting rights, minimum percentage of target compensation (as a percent) | 50.00% |  |
Performance Shares (PSUs) | Share-based Payment Arrangement, Tranche Three |  |  |
Stock Based Compensation And Stockholders Equity [Line Items] |  |  |
Award vesting rights, minimum percentage of target compensation (as a percent) | 150.00% |  |
Performance Shares (PSUs) | Minimum | Share-based Payment Arrangement, Tranche Two |  |  |
Stock Based Compensation And Stockholders Equity [Line Items] |  |  |
Award vesting rights, minimum percentage of target compensation (as a percent) | 50.00% |  |
Performance Shares (PSUs) | Maximum | Share-based Payment Arrangement, Tranche Two |  |  |
Stock Based Compensation And Stockholders Equity [Line Items] |  |  |
Award vesting rights, minimum percentage of target compensation (as a percent) | 150.00% |  |
Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) |  |  |
Stock Based Compensation And Stockholders Equity [Line Items] |  |  |
Total compensation expenses | $ 31,421 | 30,514 | 19,889
Fair value of vested RSUs | $ 48,204 | $ 24,226 | $ 10,906

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