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v3.10.0.1

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, 2015 | $ 1,684,637 |  | $ 8,441 | $ 134,401 | $ 1,541,795
Balance, in shares at Dec. 31, 2015 |  |  | 84,412 |  |
Net income | 295,765 |  |  |  | 295,765
Share repurchases | (130,316) |  | $ (206) |  | (130,110)
Stock Repurchased During Period, Shares |  |  | (2,063) |  |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures |  |  | $ 7 |  |
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures |  |  | 68 |  |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition |  |  |  | 1,065 |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures | 1,072 |  |  |  |
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 | [1] |  |  | 463,774
Share repurchases | (8,013) |  | $ (9) |  | (8,004)
Stock Repurchased During Period, Shares |  |  | (92) |  |
Cash dividends declared | (32,963) |  |  |  | (32,963)
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures |  |  | $ 5 |  |
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures |  |  | 51 |  |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition |  |  |  | 2,893 |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures | 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)
Stock Repurchased During Period, Shares |  |  | (1,176) |  |
Cash dividends declared | (42,594) |  |  |  | (42,594)
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures |  |  | $ 3 |  |
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures |  |  | 31 |  |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition |  |  |  | 3,817 |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures | 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 |  |
[1] | During the fourth quarter of 2017, we recorded a provisional tax benefit of $104.9 million due to the remeasurement of our deferred taxes to reflect the impact of the Tax Act

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