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v3.20.2

Consolidated Statements Of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment | Cumulative Effect, Period of Adoption, Adjustment Retained Earnings
--- | --- | --- | --- | --- | --- | --- | ---
Shareholders' equity (shares) at Dec. 31, 2018 |  | 277,110 |  |  |  |  |
Shareholders' equity at Dec. 31, 2018 | $ 4,817,782 | $ 2,771 | $ 3,201,427 | $ (345) | $ 1,613,929 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock option exercises (shares) |  | 544 |  |  |  |  |
Stock option exercises | 6,367 | $ 5 | 6,362 |  |  |  |
Stock issuances (shares) |  | 987 |  |  |  |  |
Share issuances | 5,800 | $ 10 | 5,790 |  |  |  |
Dividends declared | (91,595) |  |  |  | (91,595) |  |
Share repurchases (shares) |  | (7,670) |  |  |  |  |
Share repurchases | (244,388) | $ (76) |  |  | (244,312) |  |
Cash paid for shares withheld for taxes | (10,722) |  |  |  | (10,722) |  |
Share-based compensation | 17,371 |  | 17,371 |  |  |  |
Net income | 680,902 |  |  |  | 680,902 |  |
Other comprehensive income | 75 |  |  | 75 |  |  |
Shareholders' equity (shares) at Sep. 30, 2019 |  | 270,971 |  |  |  |  |
Shareholders' equity at Sep. 30, 2019 | 5,181,592 | $ 2,710 | 3,230,950 | (270) | 1,948,202 |  |
Shareholders' equity (shares) at Jun. 30, 2019 |  | 274,975 |  |  |  |  |
Shareholders' equity at Jun. 30, 2019 | 5,069,807 | $ 2,750 | 3,225,874 | (295) | 1,841,478 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock option exercises (shares) |  | 110 |  |  |  |  |
Stock option exercises | 1,159 | $ 1 | 1,158 |  |  |  |
Stock issuances (shares) |  | 13 |  |  |  |  |
Share issuances | 0 |  |  |  |  |  |
Dividends declared | (30,132) |  |  |  | (30,132) |  |
Share repurchases (shares) |  | (4,127) |  |  |  |  |
Share repurchases | (135,917) | $ (41) |  |  | (135,876) |  |
Cash paid for shares withheld for taxes | (372) |  |  |  | (372) |  |
Share-based compensation | 3,918 |  | 3,918 |  |  |  |
Net income | 273,104 |  |  |  | 273,104 |  |
Other comprehensive income | 25 |  |  | 25 |  |  |
Shareholders' equity (shares) at Sep. 30, 2019 |  | 270,971 |  |  |  |  |
Shareholders' equity at Sep. 30, 2019 | 5,181,592 | $ 2,710 | 3,230,950 | (270) | 1,948,202 |  |
Shareholders' equity (shares) at Dec. 31, 2019 |  | 270,235 |  |  |  |  |
Shareholders' equity at Dec. 31, 2019 | 5,458,180 | $ 2,702 | 3,235,149 | (245) | 2,220,574 | $ (735) | $ (735)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock option exercises (shares) |  | 14 |  |  |  |  |
Stock option exercises | 111 |  | 111 |  |  |  |
Stock issuances (shares) |  | 755 |  |  |  |  |
Share issuances | 4,096 | $ 8 | 4,088 |  |  |  |
Dividends declared | (97,501) |  |  |  | (97,501) |  |
Share repurchases (shares) |  | (2,825) |  |  |  |  |
Share repurchases | (95,676) | $ (28) |  |  | (95,648) |  |
Cash paid for shares withheld for taxes | (14,853) |  |  |  | (14,853) |  |
Share-based compensation | 17,590 |  | 17,590 |  |  |  |
Net income | 968,728 |  |  |  | 968,728 |  |
Other comprehensive income | 75 |  |  | 75 |  |  |
Shareholders' equity (shares) at Sep. 30, 2020 |  | 268,179 |  |  |  |  |
Shareholders' equity at Sep. 30, 2020 | 6,240,015 | $ 2,682 | 3,256,938 | (170) | 2,980,565 |  |
Shareholders' equity (shares) at Jun. 30, 2020 |  | 268,178 |  |  |  |  |
Shareholders' equity at Jun. 30, 2020 | 5,851,668 | $ 2,682 | 3,252,568 | (195) | 2,596,613 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock option exercises (shares) |  | 1 |  |  |  |  |
Stock option exercises | 12 |  | 12 |  |  |  |
Dividends declared | (32,446) |  |  |  | (32,446) |  |
Share-based compensation | 4,358 |  | 4,358 |  |  |  |
Net income | 416,398 |  |  |  | 416,398 |  |
Other comprehensive income | 25 |  |  | 25 |  |  |
Shareholders' equity (shares) at Sep. 30, 2020 |  | 268,179 |  |  |  |  |
Shareholders' equity at Sep. 30, 2020 | $ 6,240,015 | $ 2,682 | $ 3,256,938 | $ (170) | $ 2,980,565 |  |

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