Fair Value Measurements - Summary of Fair Value Financial Assets and Liabilities (Details) - USD ($) $ in Thousands |
Jul. 31, 2026 |
Jul. 31, 2025 |
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| Assets [Abstract] | ||
| Cash equivalents, carrying value | $ 1,016,694 | $ 2,196,593 |
| Cash equivalents, fair value | 1,018,328 | 2,204,512 |
| Investment in held to maturity securities, carrying value | 2,581,901 | 2,008,539 |
| Investment in held to maturity securities, fair value | 2,596,886 | 2,024,114 |
| Total assets, carrying value | 3,598,595 | 4,205,132 |
| Total assets, fair value | $ 3,615,214 | $ 4,228,626 |
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- Definition Assets, Carrying Value No definition available.
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- References No definition available.
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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 Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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