Note A - Basis of Presentation (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Derivative, Gain (Loss) on Derivative, Net	$ (4,126)	$ 822	$ 706	$ 7,326
Reclassified from Other income (loss) to Gain (loss) on Economic Hedges of Risk [Member]
Derivative, Gain (Loss) on Derivative, Net		$ 800		$ 7,300