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v3.8.0.1

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions | Total | Common Stock | Additional Paid-In Capital | Retained Earnings (Accumulated Deficit) | Accumulated Other Comprehensive Income (Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2014 |  | 30,600,000 |  |  |  |
Beginning balance at Dec. 31, 2014 | $ 1,693.7 | $ 0.3 | $ 2,530.0 | $ (716.8) | $ (32.3) | $ (87.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income (loss) | 111.3 |  |  | 111.3 |  |
Other comprehensive income | (103.1) |  |  |  | (103.1) |
Net settlement on vesting of equity awards (in shares) |  | 100,000 |  |  |  |
Net settlement on vesting of equity awards | (5.0) |  | (5.0) |  |  |
Stock-based compensation charges | 2.7 |  | 2.7 |  |  |
Exercise of stock options and other | 5.1 |  | 5.1 |  |  |
Share repurchase (in shares) |  | (2,500,000) |  |  |  |
Share repurchase | (604.5) |  |  |  |  | (604.5)
Capital contributions from affiliates | 198.8 |  | 198.8 |  |  |
Distribution and net transfers to THC | 1,003.0 |  | 1,003.0 |  |  |
Ending balance (in shares) at Dec. 31, 2015 |  | 28,200,000 |  |  |  |
Ending balance at Dec. 31, 2015 | 2,302.0 | $ 0.3 | 3,734.6 | (605.5) | (135.4) | (692.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income (loss) | (19.7) |  |  | (19.7) |  |
Other comprehensive income | 16.7 |  |  |  | 16.7 |
Net settlement on vesting of equity awards | (0.5) |  | (0.5) |  |  |
Stock-based compensation charges | 5.5 |  | 5.5 |  |  |
Exercise of stock options and other (in shares) |  | 100,000 |  |  |  |
Exercise of stock options and other | 10.0 |  | 10.0 |  |  |
Distribution and net transfers to THC | (1,996.3) |  | (1,996.3) |  |  |
Ending balance (in shares) at Dec. 31, 2016 |  | 28,300,000 |  |  |  |
Ending balance at Dec. 31, 2016 | 317.7 | $ 0.3 | 1,753.3 | (625.2) | (118.7) | (692.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income (loss) | 160.3 |  |  | 160.3 |  |
Other comprehensive income | 20.1 |  |  |  | 20.1 |
Net settlement on vesting of equity awards | (0.1) |  | (0.1) |  |  |
Cumulative effect of a change in accounting for stock-based payments (Note 2) | 2.5 |  |  | 2.5 |  |
Stock-based compensation charges | $ 10.1 |  | 10.1 |  |  |
Exercise of stock options and other (in shares) | 18,940 |  |  |  |  |
Exercise of stock options and other | $ 0.7 |  | 0.7 |  |  |
Employee stock purchase plan | 1.1 |  | 1.1 |  |  |
Distribution and net transfers to THC | (2.0) |  | (2.0) |  |  |
Ending balance (in shares) at Dec. 31, 2017 |  | 28,300,000 |  |  |  |
Ending balance at Dec. 31, 2017 | $ 510.4 | $ 0.3 | $ 1,763.1 | $ (462.4) | $ (98.6) | $ (692.0)

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