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Schedule of Contractual Maturities of Available-for-sale Debt Securities (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Jul. 31, 2022
Debt Securities, Trading and Available-for-Sale [Abstract]
Within one year	$ 34,705
After one year through five years	6,109
After five years through ten years	1,127
After ten years	46
Total	$ 41,987	$ 22,303

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- Definition

Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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