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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, 2018 | $ 35,311 | $ 774,358 | $ 1,225,617 | $ (1,446,296) | $ 2,344 | $ 591,334
Net income |  |  | 95,396 |  |  | 95,396
Dividends paid |  |  | (9,567) |  |  | (9,567)
Stock awards and exercise of stock options | 280 | 42,489 |  | (29,845) |  | 12,924
Purchases of treasury stock |  |  |  | (71,926) |  | (71,926)
Other |  | 408 |  | (71) | 71 | 408
Balance at Jun. 30, 2019 | 35,591 | 817,255 | 1,311,446 | (1,548,138) | 2,415 | 618,569
Balance at Mar. 31, 2019 | 35,521 | 803,701 | 1,265,485 | (1,519,077) | 2,380 | 588,010
Net income |  |  | 50,729 |  |  | 50,729
Dividends paid |  |  | (4,768) |  |  | (4,768)
Stock awards and exercise of stock options | 70 | 13,337 |  | (6,350) |  | 7,057
Purchases of treasury stock |  |  |  | (22,676) |  | (22,676)
Other |  | 217 |  | (35) | 35 | 217
Balance at Jun. 30, 2019 | 35,591 | 817,255 | 1,311,446 | (1,548,138) | 2,415 | 618,569
Balance at Dec. 31, 2019 | 35,811 | 860,671 | 1,425,752 | (1,597,940) | 2,314 | 726,608
Net income |  |  | 137,992 |  |  | 137,992
Dividends paid |  |  | (10,238) |  |  | (10,238)
Stock awards and exercise of stock options | 229 | 44,312 |  | (25,135) |  | 19,406
Purchases of treasury stock |  |  |  | (122,148) |  | (122,148)
Other |  | (562) | (362) | (76) | 76 | (924)
Balance at Jun. 30, 2020 | 36,040 | 904,421 | 1,553,144 | (1,745,299) | 2,390 | 750,696
Balance at Mar. 31, 2020 | 35,912 | 878,550 | 1,476,151 | (1,709,390) | 2,378 | 683,601
Net income |  |  | 82,101 |  |  | 82,101
Dividends paid |  |  | (5,108) |  |  | (5,108)
Stock awards and exercise of stock options | 128 | 25,340 |  | (13,995) |  | 11,473
Purchases of treasury stock |  |  |  | (21,914) |  | (21,914)
Other |  | 531 |  |  | 12 | 543
Balance at Jun. 30, 2020 | $ 36,040 | $ 904,421 | $ 1,553,144 | $ (1,745,299) | $ 2,390 | $ 750,696

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