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INVESTMENTS AND FAIR VALUE MEASUREMENTS - REALIZED AND UNREALIZED GAINS AND LOSSES EQUITY AND DERIVATIVE INSTRUMENTS (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
INVESTMENTS AND FAIR VALUE MEASUREMENTS
Net unrealized gains (losses) recognized on marketable-equity securities	$ 1,243	$ 1,630
Net realized gains recognized on marketable-equity securities	960	3,108
Net unrealized gains (losses) recognized on derivative instruments	2,577	(525)
Net realized gains recognized on derivative instruments	1,205	2,596
Net realized gains recognized on marketable-debt securities		1,273
Total net gains recognized in interest and other income (loss), net	$ 5,985	$ 8,082

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Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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