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Consolidated Statements Of Changes In Stockholders' Equity - USD ($)
$ in Thousands
Capital Stock [Member]
Paid-In Capital [Member]
Retained Earnings [Member]
Treasury Stock-At Cost [Member]
Deferred Compensation Payable In Company Stock [Member]
Total
Balance at Dec. 31, 2022 $ 36,796 $ 1,149,899 $ 2,197,918 $ (2,588,145) $ 2,247 $ 798,715
Net income     182,456     182,456
Dividends paid     (17,446)     (17,446)
Stock awards and exercise of stock options 217 104,457   (21,386)   83,288
Purchases of treasury stock       (27,769)   (27,769)
Other       198 (199) (1)
Balance at Sep. 30, 2023 37,013 1,254,356 2,362,928 (2,637,102) 2,048 1,019,243
Balance at Jun. 30, 2023 36,996 1,240,415 2,294,004 (2,621,657) 2,321 952,079
Net income 74,958 74,958
Dividends paid (6,034) (6,034)
Stock awards and exercise of stock options 17 14,462 (1,372) 13,107
Purchases of treasury stock (14,344) (14,344)
Other (521) 271 (273) (523)
Balance at Sep. 30, 2023 37,013 1,254,356 2,362,928 (2,637,102) 2,048 1,019,243
Balance at Dec. 31, 2023 37,184 1,341,273 2,446,925 (2,719,588) 2,082 1,107,876
Net income     211,680     211,680
Dividends paid     (19,594)     (19,594)
Stock awards and exercise of stock options 211 121,675   (39,809)   82,077
Purchases of treasury stock       (145,933)   (145,933)
Other   (379)   (100) 128 (351)
Balance at Sep. 30, 2024 37,395 1,462,569 2,639,011 (2,905,430) 2,210 1,235,755
Balance at Jun. 30, 2024 37,313 1,416,166 2,570,722 (2,819,053) 2,149 1,207,297
Net income 75,776 75,776
Dividends paid (7,487) (7,487)
Stock awards and exercise of stock options 82 46,008 (28,523) 17,567
Purchases of treasury stock (57,820) (57,820)
Other 395 (34) 61 422
Balance at Sep. 30, 2024 $ 37,395 $ 1,462,569 $ 2,639,011 $ (2,905,430) $ 2,210 $ 1,235,755