Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjustment	Additional paid-in capital	Additional paid-in capital Cumulative Effect, Period of Adoption, Adjustment	Retained earnings	Retained earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated other comprehensive loss	Accumulated other comprehensive loss Cumulative Effect, Period of Adoption, Adjustment	Total shareholders' equity	Total shareholders' equity Cumulative Effect, Period of Adoption, Adjustment	Noncontrolling interest	Noncontrolling interest Cumulative Effect, Period of Adoption, Adjustment
Balance at Dec. 31, 2018	$ 1,987,720		$ 1,716		$ 1,896		$ 2,088,707		$ (105,481)		$ 1,986,838		$ 882
Balance (in shares) at Dec. 31, 2018			171,582
Increase (Decrease) in Equity [Roll Forward]
Shares issued under employee stock plans	141,571		$ 34		141,537		0		0		141,571		0
Shares issued under employee stock plans (in shares)			3,377
Shares repurchased under provisions of stock repurchase plan	(389,060)		$ (54)		(202,176)		(186,830)		0		(389,060)		0
Share repurchased under provisions of stock repurchase plan (in shares)			(5,337)
Stock compensation expense	61,543		$ 0		61,543		0		0		61,543		0
Net earnings	592,016		0		0		590,395		0		590,395		1,621
Other comprehensive income (loss)	(26,018)		0		0		0		(25,706)		(25,706)		(312)
Dividends paid	(170,553)		0		403		(170,956)		0		(170,553)		0
Balance at Dec. 31, 2019	2,197,219	$ 6,074	$ 1,696	$ 0	3,203	$ 0	2,321,316	$ 6,074	(131,187)	$ 0	2,195,028	$ 6,074	2,191	$ 0
Balance (in shares) at Dec. 31, 2019			169,622	0
Increase (Decrease) in Equity [Roll Forward]
Shares issued under employee stock plans	175,779		$ 43		175,736		0		0		175,779		0
Shares issued under employee stock plans (in shares)			4,272
Shares repurchased under provisions of stock repurchase plan	(332,387)		$ (46)		(84,941)		(247,400)		0		(332,387)		0
Share repurchased under provisions of stock repurchase plan (in shares)			(4,600)
Stock compensation expense	62,498		$ 0		62,498		0		0		62,498		0
Net earnings	698,214		0		0		696,140		0		696,140		2,074
Other comprehensive income (loss)	30,759		0		0		0		31,434		31,434		(675)
Dividends paid	(174,929)		0		1,000		(175,929)		0		(174,929)		0
Balance at Dec. 31, 2020	$ 2,663,227		$ 1,693		157,496		2,600,201		(99,753)		2,659,637		3,590
Balance (in shares) at Dec. 31, 2020	169,294		169,294
Increase (Decrease) in Equity [Roll Forward]
Shares issued under employee stock plans	$ 90,933		$ 23		90,910		0		0		90,933		0
Shares issued under employee stock plans (in shares)			2,294
Shares repurchased under provisions of stock repurchase plan	(514,594)		$ (44)		(315,565)		(198,985)		0		(514,594)		0
Share repurchased under provisions of stock repurchase plan (in shares)			(4,378)
Stock compensation expense	69,385		$ 0		69,385		0		0		69,385		0
Net earnings	1,418,845		0		0		1,415,492		0		1,415,492		3,353
Other comprehensive income (loss)	(32,408)		0		0		0		(30,661)		(30,661)		(1,747)
Dividends paid	(195,766)		0		934		(196,700)		0		(195,766)		0
Distribution to noncontrolling interest	(1,631)		0		0		0		0		0		(1,631)
Balance at Dec. 31, 2021	$ 3,497,991		$ 1,672		$ 3,160		$ 3,620,008		$ (130,414)		$ 3,494,426		$ 3,565
Balance (in shares) at Dec. 31, 2021	167,210		167,210