Note H - Derivative Financial Instruments - Change in Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Balance		$ 128,764	$ 126,809	$ 127,475	$ 115,432
Net current period other comprehensive income		0	0	0	317
Balance		$ 127,329	122,743	$ 127,329	122,743
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance					(317)
Other comprehensive income, net of loss, before reclassification					0
Total loss reclassified from AOCI (1)	[1]				317
Net current period other comprehensive income					317
Balance			$ 0		$ 0

[1] The loss reclassified from AOCI is presented net of tax benefits of approximately $0.1 million which are included in the provision for (benefit from) income taxes on the Company's Consolidated Statement of Operations for the six months ended September 30, 2023.