CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common stock $1 par value	Additional paid-in capital	Retained earnings	Accumulated other comprehensive earnings (loss)	Treasury stock
Beginning balance at Dec. 31, 2022	$ 4,286,366	$ 259,644	$ 867,560	$ 10,223,070	$ (266,223)	$ (6,797,685)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	228,574			228,574
Dividends paid	(70,773)			(70,773)
Common stock issued for the exercise of share-based awards	(12,987)	150	(13,137)
Stock-based compensation expense	12,282		12,282
Other comprehensive earnings (loss), net of tax	17,075				17,075
Other, net	24			24
Ending balance at Mar. 31, 2023	4,460,561	259,794	866,705	10,380,895	(249,148)	(6,797,685)
Beginning balance at Dec. 31, 2023	5,106,605	259,842	886,690	10,995,624	(237,866)	(6,797,685)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	632,221			632,221
Dividends paid	(71,437)			(71,437)
Common stock issued for the exercise of share-based awards	(8,909)	101	(9,010)
Stock-based compensation expense	15,159		15,159
Common stock acquired, including accelerated share repurchase program	(504,250)		(75,000)			(429,250)
Other comprehensive earnings (loss), net of tax	(16,537)				(16,537)
Ending balance at Mar. 31, 2024	$ 5,152,852	$ 259,943	$ 817,839	$ 11,556,408	$ (254,403)	$ (7,226,935)