Fair Value Measurements - Fair Value by Maturity Date (Details) - USD ($) $ in Thousands |
Apr. 30, 2026 |
Apr. 30, 2025 |
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| Fair Value Disclosures [Abstract] | ||
| Due within 1 year | $ 304,833 | $ 368,374 |
| Due between 1 year and 3 years | 296,704 | 299,522 |
| Due between 3 years and 5 years | 0 | 1,821 |
| Total marketable securities | $ 601,537 | $ 669,717 |
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- Definition Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Three No definition available.
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- Definition Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year Three Through Five No definition available.
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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