CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common stock	Paid-in capital	Treasury stock	Accumulated other comprehensive income (loss)	Retained earnings
Balance, beginning of period at Dec. 31, 2023		$ 371,353	$ 1,808,113	$ (1,384,293)	$ (316,281)	$ 4,593,125
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reissuance of treasury stock, net under share-based compensation plans			(31,168)	12,122
Equity compensation			24,843
Purchases of common stock				(376,724)
Other comprehensive income (loss), net of tax	$ 112,220				112,220
Net Income (Loss)	578,294					578,294
Cash dividends						(97,528)
Balance, end of period at Sep. 30, 2024	5,294,076	371,353	1,801,788	(1,748,895)	(204,061)	5,073,891
Balance, beginning of period at Dec. 31, 2023		371,353	1,808,113	(1,384,293)	(316,281)	4,593,125
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchases of common stock	(566,600)
Balance, end of period at Dec. 31, 2024	5,172,375	248,449	1,808,236	0	(288,162)	3,403,852
Balance, beginning of period at Jun. 30, 2024		371,353	1,795,231	(1,624,791)	(333,055)	4,908,183
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity compensation			6,557
Purchases of common stock				(124,104)
Other comprehensive income (loss), net of tax	128,994				128,994
Net Income (Loss)	199,969					199,969
Cash dividends						(34,261)
Balance, end of period at Sep. 30, 2024	5,294,076	371,353	1,801,788	(1,748,895)	(204,061)	5,073,891
Balance, beginning of period at Dec. 31, 2024	5,172,375	248,449	1,808,236	0	(288,162)	3,403,852
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net under share-based compensation plans		1,056	(20,205)
Purchases of common stock	(592,900)	(23,350)				(575,238)
Equity compensation			18,776
Other comprehensive income (loss), net of tax	128,941				128,941
Net Income (Loss)	569,037					569,037
Cash dividends						(98,693)
Balance, end of period at Sep. 30, 2025	5,172,699	226,155	1,806,807	0	(159,221)	3,298,958
Balance, beginning of period at Jun. 30, 2025		233,138	1,801,159	0	(204,969)	3,325,616
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net under share-based compensation plans		11	(259)
Purchases of common stock		(6,994)				(182,807)
Equity compensation			5,907
Other comprehensive income (loss), net of tax	45,748				45,748
Net Income (Loss)	191,095					191,095
Cash dividends						(34,946)
Balance, end of period at Sep. 30, 2025	$ 5,172,699	$ 226,155	$ 1,806,807	$ 0	$ (159,221)	$ 3,298,958