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Cash Equivalents and Marketable Securities (Tables) | 6 Months Ended
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Oct. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
Schedule of Available-For-Sale Debt Securities and Balance Sheet Classification | The following table summarizes the Company’s cash equivalents and available-for-sale marketable securities (in thousands):
| As of October 31, 2024 |  | 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 | $ | 61,121 |  |  | $ | — |  |  | $ | — |  |  | $ | 61,121 |  |  | $ | 82,564 |  |  | $ | — |  |  | $ | — |  |  | $ | 82,564 |
Commercial paper | 8,115 |  |  | — |  |  | — |  |  | 8,115 |  |  | 18,769 |  |  | — |  |  | — |  |  | 18,769 |
U.S. treasury securities | 999 |  |  | — |  |  | — |  |  | 999 |  |  | 5,888 |  |  | — |  |  | — |  |  | 5,888 |
Available-for-sale marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury securities | 13,328 |  |  | 14 |  |  | (1) |  |  | 13,341 |  |  | 2,497 |  |  | — |  |  | — |  |  | 2,497 |
Certificates of deposit | 68,715 |  |  | — |  |  | — |  |  | 68,715 |  |  | 62,017 |  |  | — |  |  | — |  |  | 62,017 |
U.S. government agencies securities | 65,694 |  |  | 121 |  |  | (151) |  |  | 65,664 |  |  | 46,527 |  |  | 5 |  |  | (104) |  |  | 46,428 |
Commercial paper | 113,959 |  |  | — |  |  | — |  |  | 113,959 |  |  | 162,183 |  |  | — |  |  | — |  |  | 162,183 |
Corporate debt securities | 346,881 |  |  | 826 |  |  | (286) |  |  | 347,421 |  |  | 310,557 |  |  | 64 |  |  | (526) |  |  | 310,095 |
Total cash equivalents and available-for-sale marketable securities | $ | 678,812 |  |  | $ | 961 |  |  | $ | (438) |  |  | $ | 679,335 |  |  | $ | 691,002 |  |  | $ | 69 |  |  | $ | (630) |  |  | $ | 690,441 |
Summary of Available-For-Sale Debt Securities by Contractual Maturity | The following table summarizes the Company’s available-for-sale marketable securities by contractual maturity (in thousands):
| As of October 31, 2024 |  | As of April 30, 2024
| Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Within one year | $ | 482,694 |  |  | $ | 483,395 |  |  | $ | 514,747 |  |  | $ | 514,484 |
After one year through five years | 125,883 |  |  | 125,705 |  |  | 69,034 |  |  | 68,736 |
Total | $ | 608,577 |  |  | $ | 609,100 |  |  | $ | 583,781 |  |  | $ | 583,220 |
Summary of Available-For-Sale Marketable Securities, Fair Values and Unrealized Losses | 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 (in thousands):
| As of October 31, 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 | $ | (1) |  |  | $ | 3,192 |  |  | $ | — |  |  | $ | — |  |  | $ | (1) |  |  | $ | 3,192 |
U.S. government agencies securities | (151) |  |  | 18,790 |  |  | — |  |  | — |  |  | (151) |  |  | 18,790 |
Commercial paper | — |  |  | 3,472 |  |  | — |  |  | — |  |  | — |  |  | 3,472 |
Corporate debt securities | (286) |  |  | 47,329 |  |  | — |  |  | 2,000 |  |  | (286) |  |  | 49,329 |
Total | $ | (438) |  |  | $ | 72,783 |  |  | $ | — |  |  | $ | 2,000 |  |  | $ | (438) |  |  | $ | 74,783 |
| 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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