Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common stock	Paid-in capital	Retained earnings	Accumulated other comprehensive loss	Treasury stock
Beginning balance at Dec. 31, 2021		$ 1,751	$ 325,448	$ 2,691,745	$ (259,828)	$ (1,196,420)
Beginning balance (in shares) at Dec. 31, 2021		110,410
Increase (Decrease) in Stockholders' Equity
Net issuance of treasury stock for vested restricted stock units (in shares)		455
Repurchase of common stock (in shares)		(650)
Stock compensation expense			12,917
Net issuance of treasury stock for vested restricted stock units			(2,441)			(10,593)
Net income	$ 316,253			316,253
Dividends declared on common stock				(53,706)
Other comprehensive (loss) income					(105,528)
Repurchases of common stock						(26,367)
Ending balance at Sep. 30, 2022	$ 1,693,231	$ 1,751	335,924	2,954,292	(365,356)	(1,233,380)
Ending balance (in shares) at Sep. 30, 2022		110,215
Increase (Decrease) in Stockholders' Equity
Dividends declared on common stock per share (usd per share)	$ 0.48
Beginning balance at Jun. 30, 2022		$ 1,751	331,877	2,833,431	(308,216)	(1,233,380)
Beginning balance (in shares) at Jun. 30, 2022		110,215
Increase (Decrease) in Stockholders' Equity
Net issuance of treasury stock for vested restricted stock units (in shares)		0
Repurchase of common stock (in shares)		0
Stock compensation expense			4,047
Net issuance of treasury stock for vested restricted stock units			0			0
Net income	$ 138,703			138,703
Dividends declared on common stock				(17,842)
Other comprehensive (loss) income					(57,140)
Repurchases of common stock						0
Ending balance at Sep. 30, 2022	$ 1,693,231	$ 1,751	335,924	2,954,292	(365,356)	(1,233,380)
Ending balance (in shares) at Sep. 30, 2022		110,215
Increase (Decrease) in Stockholders' Equity
Dividends declared on common stock per share (usd per share)	$ 0.16
Beginning balance at Dec. 31, 2022	$ 1,718,256	$ 1,751	339,839	2,961,079	(345,310)	(1,239,103)
Beginning balance (in shares) at Dec. 31, 2022		110,079
Increase (Decrease) in Stockholders' Equity
Net issuance of treasury stock for vested restricted stock units (in shares)		312
Repurchase of common stock (in shares)		(3,893)
Stock compensation expense			11,348
Net issuance of treasury stock for vested restricted stock units			(1,553)			(7,664)
Net income	261,536			261,536
Dividends declared on common stock				(59,454)
Other comprehensive (loss) income					35,724
Repurchases of common stock						(176,304)
Ending balance at Sep. 30, 2023	$ 1,781,889	$ 1,751	349,634	3,163,161	(309,586)	(1,423,071)
Ending balance (in shares) at Sep. 30, 2023		106,498
Increase (Decrease) in Stockholders' Equity
Dividends declared on common stock per share (usd per share)	$ 0.54
Beginning balance at Jun. 30, 2023		$ 1,751	345,442	3,072,021	(279,554)	(1,268,524)
Beginning balance (in shares) at Jun. 30, 2023		109,946
Increase (Decrease) in Stockholders' Equity
Net issuance of treasury stock for vested restricted stock units (in shares)		0
Repurchase of common stock (in shares)		(3,448)
Stock compensation expense			4,192
Net issuance of treasury stock for vested restricted stock units			0			0
Net income	$ 110,617			110,617
Dividends declared on common stock				(19,477)
Other comprehensive (loss) income					(30,032)
Repurchases of common stock						(154,547)
Ending balance at Sep. 30, 2023	$ 1,781,889	$ 1,751	$ 349,634	$ 3,163,161	$ (309,586)	$ (1,423,071)
Ending balance (in shares) at Sep. 30, 2023		106,498
Increase (Decrease) in Stockholders' Equity
Dividends declared on common stock per share (usd per share)	$ 0.18