Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	Total
Balance at Dec. 31, 2023	$ 1,671	$ 549,132	$ 6,978,119	$ (3,425,164)	$ 4,103,758
Net earnings	0	0	127,493	0	127,493
Common Stock, Dividends, Per Share, Cash Paid	0	0	(44,418)	0	(44,418)
Purchase of treasury shares	0	0	0	(25,140)	(25,140)
Share-based compensation	0	18,409	0	0	18,409
Restricted share issuances, net of stock repurchased for payroll taxes and other	0	(9,096)	0	(4,575)	(13,671)
Balance at Mar. 31, 2024	1,671	558,445	7,061,194	(3,454,879)	4,166,431
Balance at Dec. 31, 2024	1,671	583,945	7,373,462	(3,944,573)	4,014,505
Net earnings	0	0	117,740	0	117,740
Common Stock, Dividends, Per Share, Cash Paid	0	0	(44,004)	0	(44,004)
Purchase of treasury shares	0	0	0	(234,129)	(234,129)
Share-based compensation	0	18,444	0	0	18,444
Restricted share issuances, net of stock repurchased for payroll taxes and other	0	(5,256)	0	(627)	(5,883)
Balance at Mar. 31, 2025	$ 1,671	$ 597,133	$ 7,447,198	$ (4,179,329)	$ 3,866,673