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Cash Equivalents and Marketable Securities (Tables) | 12 Months Ended
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Apr. 30, 2025
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, 2025 |  | As of April 30, 2024
| 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 | $ | 87,872 |  |  | $ | — |  |  | $ | — |  |  | $ | 87,872 |  |  | $ | 82,564 |  |  | $ | — |  |  | $ | — |  |  | $ | 82,564 |
Commercial paper | 29,122 |  |  | — |  |  | — |  |  | 29,122 |  |  | 18,769 |  |  | — |  |  | — |  |  | 18,769 |
U.S. treasury securities | — |  |  | — |  |  | — |  |  | — |  |  | 5,888 |  |  | — |  |  | — |  |  | 5,888 |
Corporate debt securities | 1,015 |  |  | — |  |  | — |  |  | 1,015 |  |  | — |  |  | — |  |  | — |  |  | — |
Available-for-sale marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury securities | 15,478 |  |  | 4 |  |  | — |  |  | 15,482 |  |  | 2,497 |  |  | — |  |  | — |  |  | 2,497 |
Certificates of deposit | 76,518 |  |  | — |  |  | — |  |  | 76,518 |  |  | 62,017 |  |  | — |  |  | — |  |  | 62,017 |
U.S. government agencies securities | 56,990 |  |  | 157 |  |  | (9) |  |  | 57,138 |  |  | 46,527 |  |  | 5 |  |  | (104) |  |  | 46,428 |
Commercial paper | 113,787 |  |  | — |  |  | — |  |  | 113,787 |  |  | 162,183 |  |  | — |  |  | — |  |  | 162,183 |
Corporate debt securities | 315,034 |  |  | 502 |  |  | (131) |  |  | 315,405 |  |  | 310,557 |  |  | 64 |  |  | (526) |  |  | 310,095 |
Total cash equivalents and available-for-sale marketable securities | $ | 695,816 |  |  | $ | 663 |  |  | $ | (140) |  |  | $ | 696,339 |  |  | $ | 691,002 |  |  | $ | 69 |  |  | $ | (630) |  |  | $ | 690,441 |
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, 2025 |  | As of April 30, 2024
| Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Within one year | $ | 455,613 |  |  | $ | 455,956 |  |  | $ | 514,747 |  |  | $ | 514,485 |
After one year through five years | 122,194 |  |  | 122,374 |  |  | 69,034 |  |  | 68,736 |
Total | $ | 577,807 |  |  | $ | 578,330 |  |  | $ | 583,781 |  |  | $ | 583,221 |
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, 2025 and 2024 (in thousands):
| 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 |
| As of April 30, 2024
| 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 | $ | — |  |  | $ | 2,497 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,497 |
U.S. government agencies securities | (99) |  |  | 33,890 |  |  | (6) |  |  | 7,749 |  |  | (105) |  |  | 41,639 |
Commercial paper | — |  |  | 4,058 |  |  | — |  |  | — |  |  | — |  |  | 4,058 |
Corporate debt securities | (491) |  |  | 196,907 |  |  | (34) |  |  | 27,658 |  |  | (525) |  |  | 224,565 |
Total | $ | (590) |  |  | $ | 237,352 |  |  | $ | (40) |  |  | $ | 35,407 |  |  | $ | (630) |  |  | $ | 272,759 |

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