CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Deferred Stock Units	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Non-controlling Interest
Balance beginning of period (in shares) at Dec. 31, 2020		106,457
Balance beginning of period at Dec. 31, 2020	$ 632,795	$ 10,646	$ 1,294,849	$ 4,503	$ 2,175,595	$ (53,615)	$ (2,799,890)	$ 707
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	204,289				204,257			32
Other comprehensive income (loss), net	(5,921)					(5,921)
Repurchases of common stock, net	(154,033)						(154,033)
Common stock issued under stock plans, including excess tax benefit (in shares)		219
Common stock issued under stock plans, including excess tax benefit	17,430	$ 22	17,408
Share-based compensation cost	8,875		8,829	46
Balance end of period (in shares) at Mar. 31, 2021		106,676
Balance end of period at Mar. 31, 2021	703,435	$ 10,668	1,321,086	4,549	2,379,852	(59,536)	(2,953,923)	739
Balance beginning of period (in shares) at Dec. 31, 2020		106,457
Balance beginning of period at Dec. 31, 2020	632,795	$ 10,646	1,294,849	4,503	2,175,595	(53,615)	(2,799,890)	707
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	406,895
Other comprehensive income (loss), net	5,224
Balance end of period (in shares) at Jun. 30, 2021		106,748
Balance end of period at Jun. 30, 2021	748,223	$ 10,675	1,339,413	5,630	2,582,434	(48,391)	(3,142,301)	763
Balance beginning of period (in shares) at Mar. 31, 2021		106,676
Balance beginning of period at Mar. 31, 2021	703,435	$ 10,668	1,321,086	4,549	2,379,852	(59,536)	(2,953,923)	739
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	202,606				202,582			24
Other comprehensive income (loss), net	11,145					11,145
Repurchases of common stock, net	(188,378)						(188,378)
Common stock issued under stock plans, including excess tax benefit (in shares)		72
Common stock issued under stock plans, including excess tax benefit	9,778	$ 7	9,771
Deferred stock units activity	0		(1,035)	1,035
Share-based compensation cost	9,637		9,591	46
Balance end of period (in shares) at Jun. 30, 2021		106,748
Balance end of period at Jun. 30, 2021	$ 748,223	$ 10,675	1,339,413	5,630	2,582,434	(48,391)	(3,142,301)	763
Balance beginning of period (in shares) at Dec. 31, 2021	106,878	106,878
Balance beginning of period at Dec. 31, 2021	$ 689,992	$ 10,688	1,377,320	5,719	2,920,440	(53,484)	(3,570,691)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	193,965				193,965
Other comprehensive income (loss), net	6,136					6,136
Repurchases of common stock, net	(273,058)						(273,058)
Common stock issued under stock plans, including excess tax benefit (in shares)		125
Common stock issued under stock plans, including excess tax benefit	11,590	$ 12	11,583	(5)
Share-based compensation cost	11,173		11,122	51
Balance end of period (in shares) at Mar. 31, 2022		107,003
Balance end of period at Mar. 31, 2022	$ 639,798	$ 10,700	1,400,025	5,765	3,114,405	(47,348)	(3,843,749)	0
Balance beginning of period (in shares) at Dec. 31, 2021	106,878	106,878
Balance beginning of period at Dec. 31, 2021	$ 689,992	$ 10,688	1,377,320	5,719	2,920,440	(53,484)	(3,570,691)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	325,944
Other comprehensive income (loss), net	$ (14,221)
Balance end of period (in shares) at Jun. 30, 2022	107,075	107,075
Balance end of period at Jun. 30, 2022	$ 457,008	$ 10,707	1,419,709	5,170	3,246,384	(67,705)	(4,157,257)	0
Balance beginning of period (in shares) at Mar. 31, 2022		107,003
Balance beginning of period at Mar. 31, 2022	639,798	$ 10,700	1,400,025	5,765	3,114,405	(47,348)	(3,843,749)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	131,979				131,979
Other comprehensive income (loss), net	(20,357)					(20,357)
Repurchases of common stock, net	(313,508)						(313,508)
Common stock issued under stock plans, including excess tax benefit (in shares)		72
Common stock issued under stock plans, including excess tax benefit	6,726	$ 7	7,779	(1,060)
Deferred stock units activity	0		(459)	459
Share-based compensation cost	$ 12,370		12,364	6
Balance end of period (in shares) at Jun. 30, 2022	107,075	107,075
Balance end of period at Jun. 30, 2022	$ 457,008	$ 10,707	$ 1,419,709	$ 5,170	$ 3,246,384	$ (67,705)	$ (4,157,257)	$ 0