Consolidated Condensed Statements of Operations - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Net sales	$ 222,211	$ 196,280
Cost of sales	126,774	119,102
Gross margin	95,437	77,178
Selling, engineering and administration	46,012	40,600
Operating earnings	49,425	36,578
Interest income, net	(1,334)	(1,526)
Other pension and postretirement costs	(28)	12
Earnings before income taxes	50,787	38,092
Provision for income taxes	12,389	8,961
Net earnings	$ 38,398	$ 29,131
Earnings per share:
Basic	$ 1.31	$ 0.99
Diluted	1.3	0.99
Dividends declared per common share	$ 0.34	$ 0.27
Shares used in computation of earnings per share:
Basic	29,378,491	29,320,483
Impact of dilutive securities	186,306	174,005
Diluted	29,564,797	29,494,488

Aggregate dividends declared during the period for each share of common stock outstanding.

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