Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock at $1 par value	[1]	Capital in excess of par value	Reinvested earnings	Accumulated other comprehensive income (loss)	Treasury stock (at cost)
Balance at beginning of period at Dec. 31, 2022	$ 442,422	$ 37,221		$ 53,282	$ 395,155	$ (5,983)	$ (37,253)
Net earnings	92,598				92,598
Pension and postretirement benefits (net of tax effect)	(74)					(74)
Foreign currency translation	4,411					4,411
Cash dividends	(29,034)				(29,034)
Stock options exercised	967			824			143
Stock-based compensation	5,188			5,188
Issuance of treasury stock	4			(109)			113
Balance at end of period at Dec. 31, 2023	516,482	37,221		59,185	458,719	(1,646)	(36,997)
Net earnings	124,942				124,942
Pension and postretirement benefits (net of tax effect)	226					226
Foreign currency translation	(6,486)					(6,486)
Cash dividends	(35,865)				(35,865)
Stock options exercised	751			646			105
Stock-based compensation	6,182			6,182
Issuance of treasury stock				(194)			194
Balance at end of period at Dec. 31, 2024	606,232	37,221		65,819	547,796	(7,906)	(36,698)
Net earnings	141,634				141,634
Pension and postretirement benefits (net of tax effect)	473					473
Foreign currency translation	13,907					13,907
Cash dividends	(43,554)				(43,554)
Stock options exercised	554			483			71
Stock-based compensation	9,190			9,190
Purchase of common stock for treasury stock	(15,142)						(15,142)
Issuance of treasury stock	0			(202)			202
Balance at end of period at Dec. 31, 2025	$ 713,294	$ 37,221		$ 75,290	$ 645,876	$ 6,474	$ (51,567)

[1] Each common share of stock equals $1 par value; therefore, the number of common shares is the same as the dollar value.