Cash Equivalents and Marketable Securities - Available-for Sale Marketable Securities by Contractual Maturity (Details) - Debt Securities, Available-For-Sale, Excluding Money Market Accounts - USD ($) $ in Thousands |
Apr. 30, 2026 |
Apr. 30, 2025 |
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| Debt Securities, Available-for-sale, Amortized Cost, Fiscal Year Maturity [Abstract] | ||
| AFS Marketable Securities Maturities, Within one year, Amortized Cost | $ 408,913 | $ 455,613 |
| AFS Marketable Securities Maturities, After one year through five years, Amortized Cost | 100,387 | 122,194 |
| Amortized Cost | 509,300 | 577,807 |
| Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract] | ||
| AFS Marketable Securities Maturities, Within one year, Fair Value | 409,023 | 455,956 |
| AFS Marketable Securities Maturities, After one year through five years, Fair Value | 100,229 | 122,374 |
| AFS Marketable Securities Maturities, Total Fair Value | $ 509,252 | $ 578,330 |
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amortized cost 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 second through fifth 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/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 second through fifth 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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- Definition Amortized cost 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/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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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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