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Cash Equivalents and Marketable Securities (Tables) | 12 Months Ended
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Apr. 30, 2026
Investments, Debt and Equity Securities [Abstract] |
Schedule of Cash Equivalents and Available-For-Sale Marketable Securities and Balance Sheet Classification | The following table summarizes the Company’s cash equivalents and available-for-sale marketable securities (in thousands):
| As of April 30, 2026 |  | As of April 30, 2025
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds | $ | 52,715 |  |  | $ | — |  |  | $ | — |  |  | $ | 52,715 |  |  | $ | 87,872 |  |  | $ | — |  |  | $ | — |  |  | $ | 87,872 |
Commercial paper | — |  |  | — |  |  | — |  |  | — |  |  | 29,122 |  |  | — |  |  | — |  |  | 29,122 |
Corporate debt securities | — |  |  | — |  |  | — |  |  | — |  |  | 1,015 |  |  | — |  |  | — |  |  | 1,015 |
Available-for-sale marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury securities | — |  |  | — |  |  | — |  |  | — |  |  | 15,478 |  |  | 4 |  |  | — |  |  | 15,482 |
Certificates of deposit | 92,112 |  |  | — |  |  | — |  |  | 92,112 |  |  | 76,518 |  |  | — |  |  | — |  |  | 76,518 |
U.S. government agencies securities | 69,721 |  |  | 50 |  |  | (80) |  |  | 69,691 |  |  | 56,990 |  |  | 157 |  |  | (9) |  |  | 57,138 |
Commercial paper | 103,824 |  |  | — |  |  | — |  |  | 103,824 |  |  | 113,787 |  |  | — |  |  | — |  |  | 113,787 |
Corporate debt securities | 243,643 |  |  | 194 |  |  | (212) |  |  | 243,625 |  |  | 315,034 |  |  | 502 |  |  | (131) |  |  | 315,405 |
Total cash equivalents and available-for-sale marketable securities | $ | 562,015 |  |  | $ | 244 |  |  | $ | (292) |  |  | $ | 561,967 |  |  | $ | 695,816 |  |  | $ | 663 |  |  | $ | (140) |  |  | $ | 696,339 |
Summary of Available-For-Sale Marketable Securities by Contractual Maturity | The following table summarizes the Company’s available-for-sale marketable securities by contractual maturity (in thousands):
| As of April 30, 2026 |  | As of April 30, 2025
| Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Within one year | $ | 408,913 |  |  | $ | 409,023 |  |  | $ | 455,613 |  |  | $ | 455,956 |
After one year through five years | 100,387 |  |  | 100,229 |  |  | 122,194 |  |  | 122,374 |
Total | $ | 509,300 |  |  | $ | 509,252 |  |  | $ | 577,807 |  |  | $ | 578,330 |
Summary of Fair Values and Unrealized Losses of Available-For-Sale Marketable Securities In Continuous Unrealized Loss Position | The following table summarizes the fair values and unrealized losses of the Company’s available-for-sale marketable securities classified by length of time that the securities have been in a continuous unrealized loss position but were not deemed to be other-than-temporarily impaired, as of April 30, 2026 and 2025 (in thousands):
| As of April 30, 2026
| Less Than 12 Months |  | 12 Months or Greater |  | Total
| Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value
U.S. treasury securities | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
U.S. government agencies securities | (66) |  |  | 17,919 |  |  | (14) |  |  | 11,221 |  |  | $ | (80) |  |  | $ | 29,140 |
Commercial paper | — |  |  | — |  |  | — |  |  | — |  |  | $ | — |  |  | $ | — |
Corporate debt securities | (145) |  |  | 79,438 |  |  | (67) |  |  | 21,330 |  |  | $ | (212) |  |  | $ | 100,768 |
Total | $ | (211) |  |  | $ | 97,357 |  |  | $ | (81) |  |  | $ | 32,551 |  |  | $ | (292) |  |  | $ | 129,908 |
| As of April 30, 2025
| Less Than 12 Months |  | 12 Months or Greater |  | Total
| Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value
U.S. treasury securities | $ | — |  |  | $ | 2,468 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,468 |
U.S. government agencies securities | (9) |  |  | 7,973 |  |  | — |  |  | — |  |  | (9) |  |  | 7,973 |
Commercial paper | — |  |  | 1,823 |  |  | — |  |  | — |  |  | — |  |  | 1,823 |
Corporate debt securities | (129) |  |  | 62,899 |  |  | (2) |  |  | 9,847 |  |  | (131) |  |  | 72,746 |
Total | $ | (138) |  |  | $ | 75,163 |  |  | $ | (2) |  |  | $ | 9,847 |  |  | $ | (140) |  |  | $ | 85,010 |

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