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, 2024	$ 6,953,996	$ 260,031	$ 892,686	$ 13,409,633	$ (327,776)	$ (7,280,578)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	230,821			230,821
Dividends paid	(71,399)			(71,399)
Common stock issued for the exercise of share-based awards	(9,003)	86	(9,089)
Stock-based compensation expense	23,874		23,874
Common stock acquired	(40,700)					(40,700)
Other comprehensive earnings (loss), net of tax	50,178				50,178
Ending balance at Mar. 31, 2025	7,137,767	260,117	907,471	13,569,055	(277,598)	(7,321,278)
Beginning balance at Dec. 31, 2025	7,405,206	260,195	850,763	14,220,582	(174,954)	(7,751,380)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	238,433			238,433
Dividends paid	(70,446)			(70,446)
Common stock issued for the exercise of share-based awards	(29,704)	210	(29,914)
Stock-based compensation expense	20,960		20,960
Common stock acquired	(53,937)					(53,937)
Other comprehensive earnings (loss), net of tax	(20,626)				(20,626)
Ending balance at Mar. 31, 2026	$ 7,489,886	$ 260,405	$ 841,809	$ 14,388,569	$ (195,580)	$ (7,805,317)