Note M - Other Comprehensive Income - Summary of Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2023	Jun. 30, 2022
Cash flow hedges, before tax	$ 418	$ 9,460
Cash flow hedges, tax	(101)	(2,286)
Cash flow hedges	317	7,174
Other comprehensive income (loss), before tax	418	9,460
Other comprehensive income (loss), tax	(101)	(2,286)
Other Comprehensive Income (Loss)	$ 317	$ 7,174

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