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v3.19.3

Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Millions | Total | Common Stock | Additional Paid in Capital | Retained Earnings | Accumulated Other Comprehensive Loss
--- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2017 | $ 2,182.6 | $ 0.9 | $ 471.2 | $ 1,867.4 | $ (156.9)
Beginning Balance (in shares) at Dec. 31, 2017 |  | 94,350 |  |  |
Common stock withheld and retired to cover taxes on vested stock awards | (7.9) | $ 0.0 | (0.5) | (7.4) | 0.0
Common stock withheld and retired to cover taxes on vested stock awards (in shares) |  | (69) |  |  |
Common stock dividends declared | (209.3) | $ 0.0 | 0.0 | (209.3) | 0.0
Adoption of ASC 606 | ASU 2014-09 | 1.6 | 0.0 | 0.0 | 1.6 | 0.0
Share-based compensation | 17.8 | $ 0.0 | 17.8 | 0.0 | 0.0
Share-based compensation expense (in shares) |  | 216 |  |  |
Other | 0.2 | $ 0.0 | 0.4 | (0.2) | 0.0
Comprehensive income | 545.2 | 0.0 | 0.0 | 533.4 | 11.8
Ending Balance at Sep. 30, 2018 | 2,530.2 | $ 0.9 | 488.9 | 2,185.5 | (145.1)
Ending Balance (in shares) at Sep. 30, 2018 |  | 94,497 |  |  |
Beginning Balance at Jun. 30, 2018 | 2,388.0 | $ 0.9 | 482.1 | 2,054.0 | (149.0)
Beginning Balance (in shares) at Jun. 30, 2018 |  | 94,500 |  |  |
Common stock withheld and retired to cover taxes on vested stock awards | (0.3) | $ 0.0 | 0.0 | (0.3) | 0.0
Common stock withheld and retired to cover taxes on vested stock awards (in shares) |  | (2) |  |  |
Common stock dividends declared | (74.9) | $ 0.0 | 0.0 | (74.9) | 0.0
Share-based compensation | 6.7 | $ 0.0 | 6.7 | 0.0 | 0.0
Share-based compensation expense (in shares) |  | (1) |  |  |
Other | 0.0 | $ 0.0 | 0.1 | 0.0 | (0.1)
Comprehensive income | 210.7 | 0.0 | 0.0 | 206.7 | 4.0
Ending Balance at Sep. 30, 2018 | 2,530.2 | $ 0.9 | 488.9 | 2,185.5 | (145.1)
Ending Balance (in shares) at Sep. 30, 2018 |  | 94,497 |  |  |
Beginning Balance at Dec. 31, 2018 | 2,672.4 | $ 0.9 | 494.5 | 2,315.8 | (138.8)
Beginning Balance (in shares) at Dec. 31, 2018 |  | 94,497 |  |  |
Common stock withheld and retired to cover taxes on vested stock awards | (8.1) | $ 0.0 | (0.7) | (7.4) | 0.0
Common stock withheld and retired to cover taxes on vested stock awards (in shares) |  | (87) |  |  |
Common stock dividends declared | (224.7) | $ 0.0 | 0.0 | (224.7) | 0.0
Share-based compensation | 25.1 | $ 0.0 | 25.1 | 0.0 | 0.0
Share-based compensation expense (in shares) |  | 250 |  |  |
Other | (0.2) | $ 0.0 | 0.0 | (0.2) | 0.0
Comprehensive income | 570.2 | 0.0 | 0.0 | 560.2 | 10.0
Ending Balance at Sep. 30, 2019 | 3,034.7 | $ 0.9 | 518.9 | 2,643.7 | (128.8)
Ending Balance (in shares) at Sep. 30, 2019 |  | 94,660 |  |  |
Beginning Balance at Jun. 30, 2019 | 2,921.2 | $ 0.9 | 513.3 | 2,539.2 | (132.2)
Beginning Balance (in shares) at Jun. 30, 2019 |  | 94,666 |  |  |
Common stock withheld and retired to cover taxes on vested stock awards | (0.3) | $ 0.0 | 0.0 | (0.3) | 0.0
Common stock withheld and retired to cover taxes on vested stock awards (in shares) |  | (4) |  |  |
Common stock dividends declared | (75.0) | $ 0.0 | 0.0 | (75.0) | 0.0
Share-based compensation | 5.6 | $ 0.0 | 5.6 | 0.0 | 0.0
Share-based compensation expense (in shares) |  | (2) |  |  |
Other | 0.0 | $ 0.0 | 0.0 | 0.0 | 0.0
Comprehensive income | 183.2 | 0.0 | 0.0 | 179.8 | 3.4
Ending Balance at Sep. 30, 2019 | $ 3,034.7 | $ 0.9 | $ 518.9 | $ 2,643.7 | $ (128.8)
Ending Balance (in shares) at Sep. 30, 2019 |  | 94,660 |  |  |

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