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
	Mar. 31, 2024	Mar. 31, 2023
Earnings from continuing operations - basic	$ 8,619	$ 20,141
Gain from stock warrants revaluation, net of tax	0	(108)
Convertible debt interest charge, net of tax	159	776
Earnings from continuing operations - diluted	$ 8,778	$ 20,809
Basic (in shares)	64,973	71,802
Effect of stock-based compensation awards and warrants (in shares)	562	3,144
Effect of convertible debt (in shares)	1,700	8,111
Weighted-average shares outstanding assuming dilution (in shares)	67,235	83,057
Continuing operations (in dollars per share)	$ 0.13	$ 0.28
Diluted earnings per share from continuing operations (in dollars per share)	$ 0.13	$ 0.25