CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 30, 2025 |
Apr. 30, 2024 |
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| Statement of Comprehensive Income [Abstract] | ||
| Net income | $ 254,603 | $ 216,308 |
| Other comprehensive income (loss): | ||
| Unrealized gain (loss) on available-for-sale marketable securities, net of income tax (expense) benefit of $(3,123) and $5,692 for the three months ended April 30, 2025 and 2024, respectively | 10,155 | (18,553) |
| Comprehensive income | $ 264,758 | $ 197,755 |
| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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