CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Parent	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Deferred Compensation Employee Stock Trust, Net	Employee Stock Trust	Noncontrolling Interest	Total
Balance at Dec. 31, 2020	$ 2,323,939	$ 822	$ 1,317,929	$ 17,763	$ 986,792	$ 771	$ (138)	$ 26,708	$ 2,350,647
Balance (in shares) at Dec. 31, 2020		82,185					7
Increase (Decrease) in Stockholders' Equity
Net income	312,310				312,310			8,990	321,300
Other comprehensive loss	(17,396)			(17,396)					(17,396)
Stock-based compensation expense	12,889		12,889						12,889
Common stock issued to board members	449		449						449
Common stock issued to board members (in shares)		13
Issuance of common stock related to share-based awards, net	(2,691)	$ 3	(2,694)						(2,691)
Issuance of common stock related to share-based awards, net (in shares)		394
Repurchases of common stock	(123,631)	$ (35)	(58,301)		(65,295)				(123,631)
Repurchases of common stock (in shares)		(3,633)
Dividends on common stock	(29,500)				(29,500)				(29,500)
Deferred compensation plan	2					(20)	$ 22		2
Deferred compensation plan (in shares)							(1)
Net cash distributed to noncontrolling interest								(9,727)	(9,727)
Balance at Sep. 30, 2021	2,476,371	$ 790	1,270,272	367	1,204,307	751	$ (116)	25,971	2,502,342
Balance (in shares) at Sep. 30, 2021		78,959					6
Balance at Jun. 30, 2021	2,470,281	$ 812	1,302,439	7,093	1,159,304	754	$ (121)	26,095	2,496,376
Balance (in shares) at Jun. 30, 2021		81,153					6
Increase (Decrease) in Stockholders' Equity
Net income	92,906				92,906			2,517	95,423
Other comprehensive loss	(6,726)			(6,726)					(6,726)
Stock-based compensation expense	4,103		4,103						4,103
Common stock issued to board members	152		152						152
Common stock issued to board members (in shares)		5
Issuance of common stock related to share-based awards, net	(441)		(441)						(441)
Issuance of common stock related to share-based awards, net (in shares)		43
Repurchases of common stock	(74,160)	$ (22)	(35,981)		(38,157)				(74,160)
Repurchases of common stock (in shares)		(2,242)
Dividends on common stock	(9,746)				(9,746)				(9,746)
Deferred compensation plan	2					(3)	$ 5		2
Net cash distributed to noncontrolling interest								(2,641)	(2,641)
Balance at Sep. 30, 2021	2,476,371	$ 790	1,270,272	367	1,204,307	751	$ (116)	25,971	2,502,342
Balance (in shares) at Sep. 30, 2021		78,959					6
Balance at Dec. 31, 2021	2,522,668	$ 790	1,274,446	(10,219)	1,257,014	752	$ (115)	26,535	2,549,203
Balance (in shares) at Dec. 31, 2021		78,965					6
Increase (Decrease) in Stockholders' Equity
Net income	87,578				87,578			5,138	92,716
Other comprehensive loss	(109,645)			(109,645)					(109,645)
Stock-based compensation expense	11,553		11,553						11,553
Common stock issued to board members	451		451						451
Common stock issued to board members (in shares)		17
Issuance of common stock related to share-based awards, net	(4,202)	$ 4	(4,206)						(4,202)
Issuance of common stock related to share-based awards, net (in shares)		478
Repurchases of common stock	(442,336)	$ (148)	(238,639)		(203,549)				(442,336)
Repurchases of common stock (in shares)		(14,869)
Dividends on common stock	(33,457)				(33,457)				(33,457)
Deferred compensation plan	(799)					(273)	$ (526)		(799)
Deferred compensation plan (in shares)							17
Net cash distributed to noncontrolling interest								(4,601)	(4,601)
Balance at Sep. 30, 2022	2,031,811	$ 646	1,043,605	(119,864)	1,107,586	479	$ (641)	27,072	2,058,883
Balance (in shares) at Sep. 30, 2022		64,591					23
Balance at Jun. 30, 2022	2,029,577	$ 646	1,039,261	(95,279)	1,085,208	695	$ (954)	27,826	2,057,403
Balance (in shares) at Jun. 30, 2022		64,576					34
Increase (Decrease) in Stockholders' Equity
Net income	32,068				32,068			1,186	33,254
Other comprehensive loss	(24,585)			(24,585)					(24,585)
Stock-based compensation expense	4,334		4,334						4,334
Common stock issued to board members	146		146						146
Common stock issued to board members (in shares)		6
Issuance of common stock related to share-based awards, net	(136)		(136)						(136)
Issuance of common stock related to share-based awards, net (in shares)		9
Dividends on common stock	(9,690)				(9,690)				(9,690)
Deferred compensation plan	97					(216)	$ 313		97
Deferred compensation plan (in shares)							(11)
Net cash distributed to noncontrolling interest								(1,940)	(1,940)
Balance at Sep. 30, 2022	$ 2,031,811	$ 646	$ 1,043,605	$ (119,864)	$ 1,107,586	$ 479	$ (641)	$ 27,072	$ 2,058,883
Balance (in shares) at Sep. 30, 2022		64,591					23