Note M - Common Stock and Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings from continuing operations - basic	$ 7,428	$ 38,022	$ 16,047	$ 58,163
Gain from stock warrants revaluation, net of tax	0	0	0	(148)
Convertible debt interest charge, net of tax	158	780	317	1,556
Earnings from continuing operations - diluted	$ 7,586	$ 38,802	$ 16,364	$ 59,571
Basic (in shares)	65,028	70,722	65,000	71,259
Effect of stock-based compensation awards and warrants (in shares)	573	682	568	1,906
Effect of convertible debt (in shares)	1,700	8,111	1,700	8,111
Weighted-average shares outstanding assuming dilution (in shares)	67,301	79,515	67,268	81,276
Continuing operations (in dollars per share)	$ 0.11	$ 0.54	$ 0.25	$ 0.82
Diluted earnings per share from continuing operations (in dollars per share)	$ 0.11	$ 0.49	$ 0.24	$ 0.73