CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Treasury Stock	Common Stock	Additional Paid-in Capital	Retained Earnings
Beginning Balance (in shares) at Dec. 31, 2020		(23,029,000)
Beginning Balance at Dec. 31, 2020	$ 986,136	$ (613,881)	$ 45,376	$ 318,263	$ 1,236,378
Beginning Balance (in shares) at Dec. 31, 2020			90,752,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-Based Compensation	21,349			21,349
Reissued Shares (in shares)		329,000
Reissued Shares	(530)	$ 6,838		(7,368)
Repurchased Shares (in shares)		(2,938,000)
Repurchased Shares	(142,358)	$ (142,358)
Tender Offer Shares Repurchased and Retired (in shares)			(8,673,000)
Tender Offer Shares Repurchased and Retired	(428,746)		$ (4,337)		(424,409)
Net Earnings	243,557				243,557
Ending Balance (in shares) at Dec. 31, 2021		(25,638,000)
Ending Balance at Dec. 31, 2021	679,408	$ (749,401)	$ 41,039	332,244	1,055,526
Ending Balance (in shares) at Dec. 31, 2021			82,079,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-Based Compensation	17,694			17,694
Reissued Shares (in shares)		314,000
Reissued Shares	(1,752)	$ 9,372		(11,124)
Repurchased Shares (in shares)		(8,720,000)
Repurchased Shares	(223,598)	$ (223,598)
Net Earnings	$ 98,709				98,709
Ending Balance (in shares) at Dec. 31, 2022	(34,044,102)	(34,044,000)
Ending Balance at Dec. 31, 2022	$ 570,461	$ (963,627)	$ 41,039	338,814	1,154,235
Ending Balance (in shares) at Dec. 31, 2022			82,079,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-Based Compensation	25,152			25,152
Reissued Shares (in shares)		330,000
Reissued Shares	(2,265)	$ 9,280		(11,545)
Repurchased Shares (in shares)		(4,691,000)
Repurchased Shares	(140,855)	$ (140,855)
Net Earnings	$ 138,838				138,838
Ending Balance (in shares) at Dec. 31, 2023	(38,404,527)	(38,405,000)
Ending Balance at Dec. 31, 2023	$ 591,331	$ (1,095,202)	$ 41,039	$ 352,421	$ 1,293,073
Ending Balance (in shares) at Dec. 31, 2023			82,079,000