Note M - Other Comprehensive Income (Loss) - Summary of Other Comprehensive Loss (Details) - USD ($)	3 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2021
Cash flow hedges, before tax	$ 9,459,540		$ (18,055,560)
Cash flow hedges, tax	(2,285,423)		4,362,223
Cash flow hedges	7,174,117		(13,693,337)
Other comprehensive income (loss), before tax	9,459,540		(18,055,560)
Other comprehensive income (loss), tax	(2,285,423)		4,362,223
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Total	$ 7,174,117	$ (13,693,337)	$ (13,693,337)

Amount before tax of other comprehensive income (loss) attributable to parent entity.

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