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Fair Value Measurements (Tables) | 12 Months Ended
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Jul. 31, 2025
Fair Value Disclosures [Abstract] |
Schedule of Carrying Values and Fair Values of Financial Instruments | The following table summarizes the carrying values and fair values of the Company’s financial instruments that were not carried at fair value in the consolidated balance sheets:
| July 31, 2025 |  | July 31, 2024
(In thousands) | Carrying Value Total |  |  |  | Fair Value Total |  | Carrying Value Total |  |  |  | Fair Value Total
Assets |  |  |  |  |  |  |  |  |  |  |
Cash equivalents | $ | 2,196,593 |  |  |  |  | $ | 2,204,512 |  |  | $ | 1,125,231 |  |  |  |  | $ | 1,127,275 |
Investment in held to maturity securities | 2,008,539 |  |  |  |  | 2,024,114 |  |  | 1,908,047 |  |  |  |  | 1,926,345 |
Total assets | $ | 4,205,132 |  |  |  |  | $ | 4,228,626 |  |  | $ | 3,033,278 |  |  |  |  | $ | 3,053,620 |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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