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Fair Value Measurements (Details) - USD ($)
$ in Thousands
Oct. 31, 2024
Jul. 31, 2024
Fair Value Disclosures [Abstract]    
Cash equivalents $ 3,300,454 $ 1,125,231
Cash equivalents 3,308,159 1,127,275
Investment in held to maturity securities 0 1,908,047
Investment in held to maturity securities 0 1,926,345
Assets, carrying value 3,300,454 3,033,278
Assets, fair value $ 3,308,159 $ 3,053,620