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	470,813			470,813
Dividends paid	(141,474)			(141,474)
Common stock issued for the exercise of share-based awards	(11,068)	174	(11,242)
Stock-based compensation expense	18,723		18,723
Other comprehensive earnings (loss), net of tax	38,721				38,721
Other, net	24			24
Ending balance at Jun. 30, 2023	4,662,105	259,818	875,041	10,552,433	(227,502)	(6,797,685)
Beginning balance at Mar. 31, 2023	4,460,561	259,794	866,705	10,380,895	(249,148)	(6,797,685)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	242,239			242,239
Dividends paid	(70,701)			(70,701)
Common stock issued for the exercise of share-based awards	1,919	24	1,895
Stock-based compensation expense	6,441		6,441
Other comprehensive earnings (loss), net of tax	21,646				21,646
Ending balance at Jun. 30, 2023	4,662,105	259,818	875,041	10,552,433	(227,502)	(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	914,043			914,043
Dividends paid	(141,644)			(141,644)
Common stock issued for the exercise of share-based awards	(6,905)	129	(7,034)
Stock-based compensation expense	24,679		24,679
Common stock acquired, including accelerated share repurchase program and excise tax	(504,250)		(75,000)			(429,250)
Other comprehensive earnings (loss), net of tax	(28,905)				(28,905)
Ending balance at Jun. 30, 2024	5,363,623	259,971	829,335	11,768,023	(266,771)	(7,226,935)
Beginning balance at Mar. 31, 2024	5,152,852	259,943	817,839	11,556,408	(254,403)	(7,226,935)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	281,822			281,822
Dividends paid	(70,207)			(70,207)
Common stock issued for the exercise of share-based awards	2,004	28	1,976
Stock-based compensation expense	9,520		9,520
Other comprehensive earnings (loss), net of tax	(12,368)				(12,368)
Ending balance at Jun. 30, 2024	$ 5,363,623	$ 259,971	$ 829,335	$ 11,768,023	$ (266,771)	$ (7,226,935)