Condensed Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Total Parent Equity	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Non-controlling Interests in Subsidiaries
Beginning balance (in shares) at Dec. 31, 2021			142,180,683
Beginning balance at Dec. 31, 2021	$ 3,503,290	$ 3,490,742	$ 142,181	$ 119,975	$ (857,739)	$ 4,086,325	$ 12,548
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	930,725	930,725				930,725
Other comprehensive loss, net of tax	(216,577)	(216,577)			(216,577)
Cash dividend declared	(380,041)	(380,041)				(380,041)
Shares issued from employee incentive plans (in shares)			63,877
Shares issued from employee incentive plans	(15,444)	(15,444)	$ 64	(15,508)
Share-based compensation	27,773	27,773		27,773
Purchase of stock (in shares)			(1,282,551)
Purchase of stock	(172,727)	(172,727)	$ (1,283)			(171,444)
Noncontrolling interest activities	1,193						1,193
Ending balance (in shares) at Sep. 30, 2022			140,962,009
Ending balance at Sep. 30, 2022	3,678,192	3,664,451	$ 140,962	132,240	(1,074,316)	4,465,565	13,741
Beginning balance (in shares) at Jun. 30, 2022			141,280,841
Beginning balance at Jun. 30, 2022	3,653,563	3,640,556	$ 141,281	123,388	(953,228)	4,329,115	13,007
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	312,358	312,358				312,358
Other comprehensive loss, net of tax	(121,088)	(121,088)			(121,088)
Cash dividend declared	(126,434)	(126,434)				(126,434)
Shares issued from employee incentive plans (in shares)			14,619
Shares issued from employee incentive plans	(1,024)	(1,024)	$ 15	(1,039)
Share-based compensation	9,891	9,891		9,891
Purchase of stock (in shares)			(333,451)
Purchase of stock	(49,808)	(49,808)	$ (334)			(49,474)
Noncontrolling interest activities	734						734
Ending balance (in shares) at Sep. 30, 2022			140,962,009
Ending balance at Sep. 30, 2022	$ 3,678,192	3,664,451	$ 140,962	132,240	(1,074,316)	4,465,565	13,741
Beginning balance (in shares) at Dec. 31, 2022	140,941,649		140,941,649
Beginning balance at Dec. 31, 2022	$ 3,804,447	3,790,363	$ 140,941	140,324	(1,032,542)	4,541,640	14,084
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	999,649	999,649				999,649
Other comprehensive loss, net of tax	(54,720)	(54,720)			(54,720)
Cash dividend declared	(400,483)	(400,483)				(400,483)
Shares issued from employee incentive plans (in shares)			372,471
Shares issued from employee incentive plans	(23,689)	(23,689)	$ 373	(24,062)
Share-based compensation	47,340	47,340		47,340
Purchase of stock (in shares)			(1,079,334)
Purchase of stock	(172,347)	(172,347)	$ (1,079)			(171,268)
Noncontrolling interest activities	$ 1,078						1,078
Ending balance (in shares) at Sep. 30, 2023	140,234,786		140,234,786
Ending balance at Sep. 30, 2023	$ 4,201,275	4,186,113	$ 140,235	163,602	(1,087,262)	4,969,538	15,162
Beginning balance (in shares) at Jun. 30, 2023			140,467,550
Beginning balance at Jun. 30, 2023	4,085,794	4,071,211	$ 140,468	153,748	(1,011,857)	4,788,852	14,583
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	351,198	351,198				351,198
Other comprehensive loss, net of tax	(75,405)	(75,405)			(75,405)
Cash dividend declared	(133,254)	(133,254)				(133,254)
Shares issued from employee incentive plans (in shares)			5,991
Shares issued from employee incentive plans	(535)	(535)	$ 6	(541)
Share-based compensation	10,395	10,395		10,395
Purchase of stock (in shares)			(238,755)
Purchase of stock	(37,497)	(37,497)	$ (239)			(37,258)
Noncontrolling interest activities	$ 579						579
Ending balance (in shares) at Sep. 30, 2023	140,234,786		140,234,786
Ending balance at Sep. 30, 2023	$ 4,201,275	$ 4,186,113	$ 140,235	$ 163,602	$ (1,087,262)	$ 4,969,538	$ 15,162