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Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions | Total | Series A Convertible Preferred Stock | Common Stock | Additional Paid-in Capital | Treasury Stock | Retained Earnings (Accumulated Deficit) | Accumulated Other Comprehensive (Loss) Income | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance (Predecessor) at Dec. 31, 2015 | $ 751.7 | $ 0.0 | $ 0.2 | $ 2,410.7 | $ (371.7) | $ (670.2) | $ (618.9) | $ 1.6
Net income (loss) attributable to common stockholders | Predecessor | (729.3) |  |  |  |  | (729.3) |  |
Net income attributable to noncontrolling interests | Predecessor | 7.9 |  |  |  |  |  |  | 7.9
Net income (loss) | Predecessor | (721.4) |  |  |  |  |  |  |
Net unrealized gains on cash flow hedges | Predecessor | 146.3 |  |  |  |  |  | 146.3 |
Postretirement plans and workers' compensation obligations | Predecessor | (2.6) |  |  |  |  |  | (2.6) |
Foreign currency translation adjustment | Predecessor | (1.8) |  |  |  |  |  | (1.8) |
Share-based compensation for equity-classified awards | Predecessor | 11.3 |  |  | 11.3 |  |  |  |
Repurchase of employee common stock relinquished for tax withholding | Predecessor | (0.1) |  |  |  | (0.1) |  |  |
Distributions to noncontrolling interests | Predecessor | (1.9) |  |  |  |  |  |  | (1.9)
Ending Balance (Predecessor) at Dec. 31, 2016 | 181.5 | 0.0 | 0.2 | 2,422.0 | (371.8) | (1,399.5) | (477.0) | 7.6
Net income (loss) attributable to common stockholders | Predecessor | (216.5) |  |  |  |  | (216.5) |  |
Net income attributable to noncontrolling interests | Predecessor | 4.8 |  |  |  |  |  |  | 4.8
Net income (loss) | Predecessor | (211.7) |  |  |  |  |  |  |
Net unrealized gains on cash flow hedges | Predecessor | 18.6 |  |  |  |  |  | 18.6 |
Postretirement plans and workers' compensation obligations | Predecessor | 4.4 |  |  |  |  |  | 4.4 |
Foreign currency translation adjustment | Predecessor | 5.5 |  |  |  |  |  | 5.5 |
Share-based compensation for equity-classified awards | Predecessor | 1.9 |  |  | 1.9 |  |  |  |
Repurchase of employee common stock relinquished for tax withholding | Predecessor | (0.1) |  |  |  | (0.1) |  |  |
Distributions to noncontrolling interests | Predecessor | (0.1) |  |  |  |  |  |  | (0.1)
Elimination of Predecessor equity | Predecessor | 0.0 |  | (0.2) | (2,423.9) | 371.9 | 1,616.0 | 448.5 | (12.3)
Ending Balance (Predecessor) at Apr. 01, 2017 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0
Issuance of Successor equity | Successor | 3,131.9 | 1,305.4 | 0.7 | 1,774.9 | 0.0 | 0.0 | 0.0 | 50.9
Ending Balance (Successor) at Apr. 02, 2017 | 3,131.9 | 1,305.4 | 0.7 | 1,774.9 | 0.0 | 0.0 | 0.0 | 50.9
Beginning Balance (Predecessor) at Apr. 01, 2017 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0
Net income (loss) attributable to common stockholders | Successor | 498.6 |  |  |  |  | 678.1 |  |
Net income attributable to noncontrolling interests | Successor | 15.2 |  |  |  |  |  |  | 15.2
Net income (loss) | Successor | 693.3 |  |  |  |  |  |  |
Postretirement plans and workers' compensation obligations | Successor | 0.0 |  |  |  |  |  |  |
Foreign currency translation adjustment | Successor | 1.4 |  |  |  |  |  | 1.4 |
Warrant conversions | Successor | 0.0 |  | 0.1 | (0.1) |  |  |  |
Series A Convertible Preferred Stock conversions | Successor | 0.0 | (748.2) | 0.2 | 796.7 |  | (48.7) |  |
Series A Convertible Preferred Stock dividends | Successor | 0.0 | 18.8 |  | (3.0) |  | (15.8) |  |
Share-based compensation for equity-classified awards | Successor | 21.8 |  |  | 21.8 |  |  |  |
Common stock repurchases | Successor | (175.7) |  |  |  | (175.7) |  |  |
Repurchase of employee common stock relinquished for tax withholding | Successor | (0.2) |  |  |  | (0.2) |  |  |
Distributions to noncontrolling interests | Successor | (16.7) |  |  |  |  |  |  | (16.7)
Ending Balance (Successor) at Dec. 31, 2017 | 3,655.8 | 576.0 | 1.0 | 2,590.3 | (175.9) | 613.6 | 1.4 | 49.4
Impact of adoption of Accounting Standards Update 2014-09 | Successor | (22.5) |  |  |  |  | (22.5) |  |
Net income (loss) attributable to common stockholders | Successor | 544.4 |  |  |  |  | 646.9 |  |
Net income attributable to noncontrolling interests | Successor | 16.9 |  |  |  |  |  |  | 16.9
Net income (loss) | Successor | 663.8 |  |  |  |  |  |  |
Dividends declared | Successor | (59.6) |  |  | 1.4 |  | (61.0) |  |
Postretirement plans and workers' compensation obligations | Successor | 44.6 |  |  |  |  |  | 44.6 |
Foreign currency translation adjustment | Successor | (5.9) |  |  |  |  |  | (5.9) |
Series A Convertible Preferred Stock conversions | Successor | 0.0 | (576.0) | 0.4 | 678.1 |  | (102.5) |  |
Share-based compensation for equity-classified awards | Successor | 34.9 |  |  | 34.9 |  |  |  |
Common stock repurchases | Successor | (834.7) |  |  |  | (834.7) |  |  |
Repurchase of employee common stock relinquished for tax withholding | Successor | (14.5) |  |  |  | (14.5) |  |  |
Distributions to noncontrolling interests | Successor | (10.3) |  |  |  |  |  |  | (10.3)
Ending Balance (Successor) at Dec. 31, 2018 | $ 3,451.6 | $ 0.0 | $ 1.4 | $ 3,304.7 | $ (1,025.1) | $ 1,074.5 | $ 40.1 | $ 56.0

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