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v3.19.3.a.u2

Statements of Changes in Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock [Member] | Capital In Excess Of Par Value [Member] | Retained Earnings [Member]
--- | --- | --- | --- | ---
Balance at Dec. 31, 2016 | $ 1,851,158 | $ 8,242 | $ 135,466 | $ 1,707,450
Balance, in shares at Dec. 31, 2016 |  | 82,417 |  |
Net income | 463,774 |  |  | 463,774
Share repurchases | (8,013) | $ (9) |  | (8,004)
Share repurchases, shares |  | (92) |  |
Cash dividends declared | (32,963) |  |  | (32,963)
Share-based compensation and restricted share issuances, net of taxes |  | $ 5 |  |
Share-based compensation and restricted share issuances, net of taxes, shares |  | 51 |  |
Share-based compensation and restricted share issuances, net of taxes |  |  | 2,893 |
Share-based compensation and restricted share issuances, net of taxes | 2,898 |  |  |
Balance at Dec. 31, 2017 | 2,276,854 | $ 8,238 | 138,359 | 2,130,257
Balance, in shares at Dec. 31, 2017 |  | 82,376 |  |
Net income | 605,668 |  |  | 605,668
Share repurchases | (163,265) | $ (118) |  | (163,147)
Share repurchases, shares |  | (1,176) |  |
Cash dividends declared | (42,594) |  |  | (42,594)
Share-based compensation and restricted share issuances, net of taxes |  | $ 3 |  |
Share-based compensation and restricted share issuances, net of taxes, shares |  | 31 |  |
Share-based compensation and restricted share issuances, net of taxes |  |  | 3,817 |
Share-based compensation and restricted share issuances, net of taxes | 3,820 |  |  |
Balance at Dec. 31, 2018 | 2,680,483 | $ 8,123 | 142,176 | 2,530,184
Balance, in shares at Dec. 31, 2018 |  | 81,231 |  |
Net income | 615,518 |  |  | 615,518
Share repurchases | (240,960) | $ (160) |  | (240,800)
Share repurchases, shares |  | (1,602) |  |
Cash dividends declared | (54,584) |  |  | (54,584)
Reclassification of liability for modified equity awards | 64,991 |  | 64,991 |
Share-based compensation and restricted share issuances, net of taxes |  | $ 6 |  |
Share-based compensation and restricted share issuances, net of taxes, shares |  | 59 |  |
Share-based compensation and restricted share issuances, net of taxes |  |  | 15,263 |
Share-based compensation and restricted share issuances, net of taxes | 15,269 |  |  |
Balance at Dec. 31, 2019 | $ 3,080,717 | $ 7,969 | $ 222,430 | $ 2,850,318
Balance, in shares at Dec. 31, 2019 |  | 79,688 |  |

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