CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common stock $1 par value	Additional paid-in capital	Retained earnings	Accumulated other comprehensive loss	Treasury stock
Beginning balance at Dec. 31, 2020	$ 3,385,773	$ 258,982	$ 868,882	$ 8,608,284	$ (153,254)	$ (6,197,121)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	761,033			761,033
Dividends paid	(214,805)			(214,805)
Common stock issued for the exercise of share-based awards	(34,838)	414	(35,252)
Stock-based compensation expense	25,053		25,053
Common stock acquired, including accelerated share repurchase program	(21,637)					(21,637)
Other comprehensive loss, net of tax	(8,811)				(8,811)
Other, net	50		50
Ending balance at Sep. 30, 2021	$ 3,891,818	259,396	858,733	9,154,512	(162,065)	(6,218,758)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid per common share (in dollars per share)	$ 1.49
Beginning balance at Jun. 30, 2021	$ 3,719,304	259,371	853,887	8,962,863	(138,059)	(6,218,758)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	263,756			263,756
Dividends paid	(72,107)			(72,107)
Common stock issued for the exercise of share-based awards	(1,770)	25	(1,795)
Stock-based compensation expense	6,660		6,660
Other comprehensive loss, net of tax	(24,006)				(24,006)
Other, net	(19)		(19)
Ending balance at Sep. 30, 2021	$ 3,891,818	259,396	858,733	9,154,512	(162,065)	(6,218,758)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid per common share (in dollars per share)	$ 0.50
Beginning balance at Dec. 31, 2021	$ 4,189,528	259,457	857,636	9,445,245	(154,052)	(6,218,758)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	801,797			801,797
Dividends paid	(216,636)			(216,636)
Common stock issued for the exercise of share-based awards	(12,278)	149	(12,427)
Stock-based compensation expense	24,657		24,657
Common stock acquired, including accelerated share repurchase program	(585,000)		(100,000)			(485,000)
Other comprehensive loss, net of tax	(210,642)				(210,642)
Ending balance at Sep. 30, 2022	$ 3,991,426	259,606	769,866	10,030,406	(364,694)	(6,703,758)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid per common share (in dollars per share)	$ 1.505
Beginning balance at Jun. 30, 2022	$ 4,388,523	259,601	863,717	9,816,960	(247,997)	(6,303,758)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	286,026			286,026
Dividends paid	(72,580)			(72,580)
Common stock issued for the exercise of share-based awards	(172)	5	(177)
Stock-based compensation expense	6,326		6,326
Common stock acquired, including accelerated share repurchase program	(500,000)		(100,000)			(400,000)
Other comprehensive loss, net of tax	(116,697)				(116,697)
Ending balance at Sep. 30, 2022	$ 3,991,426	$ 259,606	$ 769,866	$ 10,030,406	$ (364,694)	$ (6,703,758)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid per common share (in dollars per share)	$ 0.505