Note H - Derivative Financial Instruments - Change in Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($)	3 Months Ended
	Jun. 30, 2023		Jun. 30, 2022
Balance	$ 115,432,000		$ 79,686,000
Net current period other comprehensive income	317,000		7,174,000
Balance	123,369,000		102,715,000
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	(317,000)		(10,269,000)
Other comprehensive income, net of loss, before reclassification	0		6,699
Total loss reclassified from AOCI (1)	317,000	[1]	475,000	[2]
Net current period other comprehensive income	317,000		7,174,000
Balance	$ 0		$ (3,095,000)

[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 three months ended June 30, 2023.

[2] The loss reclassified from AOCI is presented net of tax benefits of approximately $0.2 million which are included in the provision for (benefit from) income taxes on the Company's Consolidated Statement of Operations for the three months ended June 30, 2022.