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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited) - USD ($) $ in Millions | Total | Common stock | Additional paid-in capital | Retained earnings (deficit) | Accumulated other comprehensive income (loss) | Treasury stock
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2017 | $ 754.3 | $ 1.2 | $ 1,399.0 | $ (267.2) | $ (378.7) |
Change in accounting principle - ASU 2016-01 at Dec. 31, 2017 |  |  |  | 4.8 | (4.8) |
Balance as adjusted at Dec. 31, 2017 | 754.3 | 1.2 | 1,399.0 | (262.4) | (383.5) |
Net income | 70.7 |  |  | 70.7 |  |
Other comprehensive income (loss), net of tax | 13.0 |  |  |  | 13.0 |
Dividends paid | (19.7) |  |  | (19.7) |  |
Ending Balance at Mar. 31, 2018 | 818.3 | 1.2 | 1,399.0 | (211.4) | (370.5) |
Beginning Balance at Dec. 31, 2017 | 754.3 | 1.2 | 1,399.0 | (267.2) | (378.7) |
Change in accounting principle - ASU 2016-01 at Dec. 31, 2017 |  |  |  | 4.8 | (4.8) |
Balance as adjusted at Dec. 31, 2017 | 754.3 | 1.2 | 1,399.0 | (262.4) | (383.5) |
Net income | 148.4 |  |  |  |  |
Other comprehensive income (loss), net of tax | (9.8) |  |  |  |  |
Ending Balance at Jun. 30, 2018 | 853.6 | 1.2 | 1,399.1 | (153.4) | (393.3) |
Beginning Balance at Mar. 31, 2018 | 818.3 | 1.2 | 1,399.0 | (211.4) | (370.5) |
Balance as adjusted at Mar. 31, 2018 |  |  |  |  | (370.5) |
Net income | 77.7 |  |  | 77.7 |  |
Other comprehensive income (loss), net of tax | (22.8) |  |  |  | (22.8) |
Issuance of common stock | 0.1 |  | 0.1 |  |  |
Dividends paid | (19.7) |  |  | (19.7) |  |
Ending Balance at Jun. 30, 2018 | 853.6 | 1.2 | 1,399.1 | (153.4) | (393.3) |
Beginning Balance at Dec. 31, 2018 | 839.8 | 1.2 | 1,399.1 | (136.2) | (424.3) |
Balance as adjusted at Dec. 31, 2018 |  |  |  |  | (424.3) |
Net income | 30.3 |  |  | 30.3 |  |
Other comprehensive income (loss), net of tax | 2.1 |  |  |  | 2.1 |
Dividends paid | (20.9) |  |  | (20.9) |  |
Ending Balance at Mar. 31, 2019 | 851.3 | 1.2 | 1,399.1 | (126.8) | (422.2) |
Beginning Balance at Dec. 31, 2018 | 839.8 | 1.2 | 1,399.1 | (136.2) | (424.3) |
Balance as adjusted at Dec. 31, 2018 |  |  |  |  | (424.3) |
Net income | 59.8 |  |  |  |  |
Other comprehensive income (loss), net of tax | 11.4 |  |  |  |  |
Ending Balance at Jun. 30, 2019 | 868.0 | 1.2 | 1,399.2 | (118.1) | (412.9) | $ (1.4)
Beginning Balance at Mar. 31, 2019 | 851.3 | 1.2 | 1,399.1 | (126.8) | (422.2) |
Balance as adjusted at Mar. 31, 2019 |  |  |  |  | (422.2) |
Net income | 29.5 |  |  | 29.5 |  |
Other comprehensive income (loss), net of tax | 9.3 |  |  |  | 9.3 |
Issuance of common stock | 0.1 |  | 0.1 |  |  |
Dividends paid | (20.8) |  |  | (20.8) |  |
Treasury stock acquired | (1.4) | (1.4) |  |  |  | (1.4)
Ending Balance at Jun. 30, 2019 | $ 868.0 | $ 1.2 | $ 1,399.2 | $ (118.1) | $ (412.9) | $ (1.4)

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