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Stockholders' Equity (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 31, 2024 | Jan. 31, 2025 | Jan. 31, 2024 | Jul. 13, 2022 | Sep. 29, 2020
Share Repurchase Program [Line Items] |  |  |  |  |
Shelf registration authorized amount |  |  |  | $ 200,000,000 |
Maximum amount authorized by the board of directors for the repurchase of shares of the company's common stock |  |  |  |  | $ 100,000,000
Treasury Stock, Shares, Acquired |  | 0 | 0 |  |
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends) | $ 6,334,000 | $ 32,251,000 | $ 8,157,000 |  |
Additional Paid-in Capital |  |  |  |  |
Share Repurchase Program [Line Items] |  |  |  |  |
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends) |  | $ 25,872,000 |  |  |

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