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, 2022		$ 371,353	$ 1,798,842	$ (1,050,238)	$ (481,511)	$ 4,004,294
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reissuance of treasury stock, net under share-based compensation plans			(16,912)	9,713
Equity compensation			17,514
Repurchase of common stock				(152,258)
Other comprehensive income (loss), net of tax	$ 56,624				56,624
Net income	345,601					345,601
Cash dividends						(58,760)
Balance, end of period at Jun. 30, 2023	4,844,262	371,353	1,799,444	(1,192,783)	(424,887)	4,291,135
Balance, beginning of period at Dec. 31, 2022		371,353	1,798,842	(1,050,238)	(481,511)	4,004,294
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock	(340,600)
Balance, end of period at Dec. 31, 2023	5,072,017	371,353	1,808,113	(1,384,293)	(316,281)	4,593,125
Balance, beginning of period at Mar. 31, 2023		371,353	1,791,609	(1,119,048)	(395,499)	4,129,229
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reissuance of treasury stock, net under share-based compensation plans			0	0
Equity compensation			7,835
Repurchase of common stock				(73,735)
Other comprehensive income (loss), net of tax	(29,388)				(29,388)
Net income	191,054					191,054
Cash dividends						(29,148)
Balance, end of period at Jun. 30, 2023	4,844,262	371,353	1,799,444	(1,192,783)	(424,887)	4,291,135
Balance, beginning of period at Dec. 31, 2023	5,072,017	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			18,286
Repurchase of common stock	(250,300)			(252,620)
Other comprehensive income (loss), net of tax	(16,774)				(16,774)
Net income	378,325					378,325
Cash dividends	(63,300)					(63,267)
Balance, end of period at Jun. 30, 2024	5,116,921	371,353	1,795,231	(1,624,791)	(333,055)	4,908,183
Balance, beginning of period at Mar. 31, 2024		371,353	1,788,050	(1,466,224)	(326,134)	4,735,298
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reissuance of treasury stock, net under share-based compensation plans			0	0
Equity compensation			7,181
Repurchase of common stock				(158,567)
Other comprehensive income (loss), net of tax	(6,921)				(6,921)
Net income	204,228					204,228
Cash dividends						(31,343)
Balance, end of period at Jun. 30, 2024	$ 5,116,921	$ 371,353	$ 1,795,231	$ (1,624,791)	$ (333,055)	$ 4,908,183