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Investments (Details) - USD ($) $ in Thousands	Apr. 30, 2025	Apr. 30, 2024
Long-term investments:
Equity Method Investments.	$ 30,423	$ 19,933
Total long-term investments	$ 31,627	$ 20,960
Investment, Type [Extensible Enumeration]	Available-for-sale securities.	Available-for-sale securities.
Equity securities and warrants
Long-term investments:
Total long-term investments	$ 1,204	$ 1,027
Investment in limited partnership funds
Long-term investments:
Equity Method Investments.	30,423	19,933
Available-for-sale securities.
Long-term investments:
Total long-term investments	$ 1,204	$ 1,027

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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