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v3.22.2

Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2020 | $ 533 | $ (303,379) | $ 282,467 |  | $ 1,594,708 | $ 1,574,329
Beginning Balance, shares at Dec. 31, 2020 | 53,277 | 6,628 |  |  |  |
Comprehensive income |  |  |  | $ (120) | 78,112 | 77,992
Common stock purchased for treasury |  | $ (56,348) | (7,000) |  |  | (63,348)
Common stock acquired, shares |  | 567 |  |  |  |
Share-based compensation | $ 1 | $ (5,994) | 3,018 |  |  | (2,975)
Share-based compensation, shares | 180 | 56 |  |  |  |
Exercise of stock options | $ 2 |  | 2,678 |  |  | 2,680
Exercise of stock options, shares | 176 |  |  |  |  |
Ending Balance at Mar. 31, 2021 | $ 536 | $ (365,721) | 281,163 | (120) | 1,672,820 | 1,588,678
Ending Balance, shares at Mar. 31, 2021 | 53,633 | 7,251 |  |  |  |
Beginning Balance at Dec. 31, 2020 | $ 533 | $ (303,379) | 282,467 |  | 1,594,708 | 1,574,329
Beginning Balance, shares at Dec. 31, 2020 | 53,277 | 6,628 |  |  |  |
Comprehensive income |  |  |  |  |  | 127,388
Ending Balance at Jun. 30, 2021 | $ 536 | $ (461,052) | 281,103 | (185) | 1,722,281 | 1,542,683
Ending Balance, shares at Jun. 30, 2021 | 53,637 | 8,241 |  |  |  |
Beginning Balance at Mar. 31, 2021 | $ 536 | $ (365,721) | 281,163 | (120) | 1,672,820 | 1,588,678
Beginning Balance, shares at Mar. 31, 2021 | 53,633 | 7,251 |  |  |  |
Comprehensive income |  |  |  | (65) | 49,461 | 49,396
Common stock purchased for treasury |  | $ (95,331) | (3,000) |  |  | (98,331)
Common stock acquired, shares |  | 982 |  |  |  |
Restricted shares forfeited, shares |  | 8 |  |  |  |
Share-based compensation |  |  | 2,940 |  |  | 2,940
Share-based compensation, shares | 4 |  |  |  |  |
Ending Balance at Jun. 30, 2021 | $ 536 | $ (461,052) | 281,103 | (185) | 1,722,281 | 1,542,683
Ending Balance, shares at Jun. 30, 2021 | 53,637 | 8,241 |  |  |  |
Beginning Balance at Dec. 31, 2021 | $ 536 | $ (1,107,211) | 296,670 |  | 1,855,052 | 1,045,047
Beginning Balance, shares at Dec. 31, 2021 | 53,637 | 15,915 |  |  |  |
Comprehensive income |  |  |  | (323) | 58,078 | 57,755
Common stock purchased for treasury |  | $ (394,930) |  |  |  | (394,930)
Common stock acquired, shares |  | 4,575 |  |  |  |
Restricted shares forfeited, shares |  | 6 |  |  |  |
Share-based compensation | $ 2 | $ (4,625) | 3,188 |  |  | (1,435)
Share-based compensation, shares | 189 | 52 |  |  |  |
Ending Balance at Mar. 31, 2022 | $ 538 | $ (1,506,766) | 299,858 | (323) | 1,913,130 | 706,437
Ending Balance, shares at Mar. 31, 2022 | 53,826 | 20,548 |  |  |  |
Beginning Balance at Dec. 31, 2021 | $ 536 | $ (1,107,211) | 296,670 |  | 1,855,052 | 1,045,047
Beginning Balance, shares at Dec. 31, 2021 | 53,637 | 15,915 |  |  |  |
Comprehensive income |  |  |  |  |  | 83,242
Ending Balance at Jun. 30, 2022 | $ 538 | $ (1,635,223) | 303,029 | (398) | 1,938,692 | 606,638
Ending Balance, shares at Jun. 30, 2022 | 53,830 | 21,867 |  |  |  |
Beginning Balance at Mar. 31, 2022 | $ 538 | $ (1,506,766) | 299,858 | (323) | 1,913,130 | 706,437
Beginning Balance, shares at Mar. 31, 2022 | 53,826 | 20,548 |  |  |  |
Comprehensive income |  |  |  | (75) | 25,562 | 25,487
Common stock purchased for treasury |  | $ (128,457) |  |  |  | (128,457)
Common stock acquired, shares |  | 1,319 |  |  |  |
Share-based compensation |  |  | 3,171 |  |  | 3,171
Share-based compensation, shares | 4 |  |  |  |  |
Ending Balance at Jun. 30, 2022 | $ 538 | $ (1,635,223) | $ 303,029 | $ (398) | $ 1,938,692 | $ 606,638
Ending Balance, shares at Jun. 30, 2022 | 53,830 | 21,867 |  |  |  |

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