Fair Value Measurements (Details) - USD ($) $ in Thousands |
Aug. 01, 2026 |
Apr. 30, 2026 |
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| Fair Value Measurements | ||
| Available-for-sale securities | $ 334,678 | $ 276,031 |
| Recurring basis | ||
| Fair Value Measurements | ||
| Available-for-sale securities | 334,678 | 276,031 |
| Total | 334,678 | 276,031 |
| Recurring basis | Significant other observable inputs (Level 2) | ||
| Fair Value Measurements | ||
| Available-for-sale securities | 334,678 | 276,031 |
| Total | $ 334,678 | $ 276,031 |
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- Definition Fair value portion of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount excluding accrued interest, 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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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