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, 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	1,261,143			1,261,143
Dividends paid	(212,367)			(212,367)
Common stock issued for the exercise of share-based awards	(10,726)	164	(10,890)
Stock-based compensation expense	32,969		32,969
Common stock acquired, including accelerated share repurchase program and excise tax	(504,250)		(21,771)			(482,479)
Other comprehensive earnings (loss), net of tax	24,625				24,625
Ending balance at Sep. 30, 2024	5,697,999	260,006	886,998	12,044,400	(213,241)	(7,280,164)
Beginning balance at Jun. 30, 2024	5,363,623	259,971	829,335	11,768,023	(266,771)	(7,226,935)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	347,100			347,100
Dividends paid	(70,723)			(70,723)
Common stock issued for the exercise of share-based awards	(3,821)	35	(3,856)
Stock-based compensation expense	8,290		8,290
Common stock acquired, including accelerated share repurchase program and excise tax	0		53,229			(53,229)
Other comprehensive earnings (loss), net of tax	53,530				53,530
Ending balance at Sep. 30, 2024	5,697,999	260,006	886,998	12,044,400	(213,241)	(7,280,164)
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	811,881			811,881
Dividends paid	(213,181)			(213,181)
Common stock issued for the exercise of share-based awards	(8,179)	132	(8,311)
Stock-based compensation expense	37,605		37,605
Common stock acquired, including accelerated share repurchase program and excise tax	(40,700)					(40,700)
Other comprehensive earnings (loss), net of tax	121,514				121,514
Ending balance at Sep. 30, 2025	7,662,936	260,163	921,980	14,008,333	(206,262)	(7,321,278)
Beginning balance at Jun. 30, 2025	7,441,305	260,149	916,601	13,777,499	(191,666)	(7,321,278)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	301,996			301,996
Dividends paid	(71,162)			(71,162)
Common stock issued for the exercise of share-based awards	(1,335)	14	(1,349)
Stock-based compensation expense	6,728		6,728
Other comprehensive earnings (loss), net of tax	(14,596)				(14,596)
Ending balance at Sep. 30, 2025	$ 7,662,936	$ 260,163	$ 921,980	$ 14,008,333	$ (206,262)	$ (7,321,278)