Condensed Consolidated Statements of Stockholders' Investment - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		116,323			116,323
Beginning balance	$ 1,381,388	$ 1,353,422	$ 2,095,502	$ 2,021,934	$ 1,353,422	$ 2,021,934
Net income	97,316	114,891	348,185	270,348	$ 212,207	618,533
Foreign currency adjustments	(6,536)	2,477	(33,596)	6,870
Dividends declared	(73,577)	(73,581)	(71,506)	(72,542)
Stock issued for employee benefit plans	15,206	(375)	20,886	8,904
Stock-based compensation expense	6,035	15,607	27,929	24,606
Repurchase of common stock	$ (31,725)	(31,053)	(334,985)	(164,618)
Ending balance (in shares)	116,335				116,335
Ending balance	$ 1,388,107	$ 1,381,388	$ 2,052,415	$ 2,095,502	$ 1,388,107	$ 2,052,415
Dividends declared, per share (in dollars per share)	$ 0.61	$ 0.61	$ 0.55	$ 0.55
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	116,437	116,323	128,011	129,186	116,323	129,186
Beginning balance	$ 11,644	$ 11,632	$ 12,801	$ 12,919	$ 11,632	$ 12,919
Stock issued for employee benefit plans (in shares)	228	430	316	418
Stock issued for employee benefit plans	$ 22	$ 44	$ 31	$ 42
Stock-based compensation expense (in shares)	0	0	0	0
Stock-based compensation expense	$ 0	$ 0	$ 0	$ 0
Repurchase of common stock (in shares)	(330)	(316)	(3,211)	(1,593)
Repurchase of common stock	$ (33)	$ (32)	$ (320)	$ (160)
Ending balance (in shares)	116,335	116,437	125,116	128,011	116,335	125,116
Ending balance	$ 11,633	$ 11,644	$ 12,512	$ 12,801	$ 11,633	$ 12,512
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	730,363	743,288	680,857	673,628	743,288	673,628
Stock issued for employee benefit plans	(2,154)	(28,532)	377	(17,377)
Stock-based compensation expense	6,035	15,607	27,929	24,606
Ending balance	734,244	730,363	709,163	680,857	734,244	709,163
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	5,631,750	5,590,440	5,134,667	4,936,861	5,590,440	4,936,861
Net income	97,316	114,891	348,185	270,348
Dividends declared	(73,577)	(73,581)	(71,506)	(72,542)
Ending balance	5,655,489	5,631,750	5,411,346	5,134,667	5,655,489	5,411,346
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(86,383)	(88,860)	(54,264)	(61,134)	(88,860)	(61,134)
Foreign currency adjustments	(6,536)	2,477	(33,596)	6,870
Ending balance	(92,919)	(86,383)	(87,860)	(54,264)	(92,919)	(87,860)
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(4,905,986)	(4,903,078)	(3,678,559)	(3,540,340)	(4,903,078)	(3,540,340)
Stock issued for employee benefit plans	17,338	28,113	20,478	26,239
Stock-based compensation expense	0	0	0	0
Repurchase of common stock	(31,692)	(31,021)	(334,665)	(164,458)
Ending balance	$ (4,920,340)	$ (4,905,986)	$ (3,992,746)	$ (3,678,559)	$ (4,920,340)	$ (3,992,746)