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, 2021		$ 371,353	$ 1,794,906	$ (675,265)	$ 119,697	$ 3,250,691
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reissuance of treasury stock, net under share-based compensation plans			(17,867)	9,179
Equity compensation			6,572
Repurchase of common stock				(127,610)
Other comprehensive income (loss), net of tax	$ (270,545)				(270,545)
Net income	175,013					175,013
Cash dividends						(25,769)
Balance, end of period at Mar. 31, 2022	4,610,355	371,353	1,783,611	(793,696)	(150,848)	3,399,935
Balance, beginning of period at Dec. 31, 2022	4,642,740	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			9,679
Repurchase of common stock				(78,523)
Other comprehensive income (loss), net of tax	86,012				86,012
Net income	154,547					154,547
Cash dividends	(29,600)					(29,612)
Balance, end of period at Mar. 31, 2023	$ 4,777,644	$ 371,353	$ 1,791,609	$ (1,119,048)	$ (395,499)	$ 4,129,229