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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, 2014 | $ 2,529.0 | $ 0.0 | $ 0.2 | $ 2,386.0 | $ (467.1) | $ 1,373.0 | $ (764.8) | $ 1.7
Net income (loss) | Predecessor | (1,958.2) |  |  |  |  |  |  |
Net income (loss) attributable to common stockholders | Predecessor | (1,965.3) |  |  |  |  | (1,965.3) |  |
Less: Net income attributable to noncontrolling interests | Predecessor | 7.1 |  |  |  |  |  |  | 7.1
Net change in unrealized gains (losses) on available-for-sale securities, net of tax | Predecessor | 0.0 |  |  |  |  |  |  |
Net unrealized gains (losses) on cash flow hedges | Predecessor | 120.4 |  |  |  |  |  | 120.4 |
Postretirement plans and workers' compensation obligations | Predecessor | 60.4 |  |  |  |  |  | 60.4 |
Foreign currency translation adjustment | Predecessor | (34.9) |  |  |  |  |  | (34.9) |
Dividends paid | Predecessor | (1.4) |  |  |  |  | (1.4) |  |
Stock issued during period, value, share-based compensation, net of tax | Predecessor | 26.2 |  |  | 26.2 |  |  |  |
Employee stock purchases | Predecessor | (3.4) | 0.0 | 0.0 | (3.4) | 0.0 | 0.0 | 0.0 | 0.0
Defined contribution plan share contribution | Predecessor | 19.6 |  |  | (1.4) | 97.5 | (76.5) |  |
Purchase of interest of noncontrolling stockholders | Predecessor | 4.0 |  |  | 3.5 |  |  |  | 0.5
Consolidation of noncontrolling interests | Predecessor | 1.6 |  | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.6
Consolidation of noncontrolling interests |  | 0.0 |  |  |  |  |  |
Dividends payable to noncontrolling interests accrued during the period | Predecessor | (2.0) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | (2.0)
Repurchase of employee common stock relinquished for tax withholding | Predecessor | (2.1) |  |  | 0.0 | (2.1) |  |  |
Distributions to noncontrolling interests | Predecessor | (6.3) |  |  |  |  |  |  | (6.3)
Ending 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) | Predecessor | (721.4) |  |  |  |  |  |  |
Net income (loss) attributable to common stockholders | Predecessor | (729.3) |  |  |  |  | (729.3) |  |
Less: Net income attributable to noncontrolling interests | Predecessor | 7.9 |  |  |  |  |  |  | 7.9
Net unrealized gains (losses) 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, net of forfeitures | 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) | Predecessor | (211.7) |  |  |  |  |  |  |
Net income (loss) attributable to common stockholders | Predecessor | (216.5) |  |  |  |  | (216.5) |  |
Less: Net income attributable to noncontrolling interests | Predecessor | 4.8 |  |  |  |  |  |  | 4.8
Net unrealized gains (losses) 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 |
Repurchase of employee common stock relinquished for tax withholding | Predecessor | (0.1) |  |  |  | (0.1) |  |  |
Share-based compensation, net of forfeitures | Predecessor | 1.9 |  |  | 1.9 |  |  |  |
Equity, fair value adjustment | Predecessor | 0.0 |  | (0.2) | (2,423.9) | 371.9 | 1,616.0 | 448.5 | (12.3)
Distributions to noncontrolling interests | Predecessor | (0.1) |  |  |  |  |  |  | (0.1)
Ending Balance (Predecessor) at Apr. 01, 2017 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0
Stock issued during period, value, 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) | Successor | 693.3 |  |  |  |  |  |  |
Net income (loss) attributable to common stockholders | Successor | 498.6 |  |  |  |  | 678.1 |  |
Less: Net income attributable to noncontrolling interests | Successor | 15.2 |  |  |  |  |  |  | 15.2
Net unrealized gains (losses) on cash flow hedges | Successor | 0.0 |  |  |  |  |  |  |
Postretirement plans and workers' compensation obligations | Successor | 0.0 |  |  |  |  |  |  |
Foreign currency translation adjustment | Successor | 1.4 |  |  |  |  |  | 1.4 |
Share-based compensation, net of forfeitures | Successor | 21.8 |  |  | 21.8 |  |  |  |
Stock issued during period, value, conversion of warrants | Successor | 0.0 |  | 0.1 | (0.1) |  |  |  |
Stock issued during period, value, conversion of convertible securities | Successor | 0.0 | (748.2) | 0.2 | 796.7 |  | (48.7) |  |
Dividends, preferred stock, stock | Successor | 0.0 | 18.8 |  | (3.0) |  | (15.8) |  |
Treasury stock, value, acquired | 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

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