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Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive (Loss) Income [Member] | Noncontrolling Interests [Member] | Equity Award
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2013 | $ 3,696.6 | $ 0.2 | $ 2,342.6 | $ (464.7) | $ 2,198.5 | $ (419.2) | $ 39.2 |
Net loss | (723.5) |  |  |  |  |  |  |
Net loss attributable to common stockholders | (733.2) |  |  |  | (733.2) |  |  |
Less: Net income attributable to noncontrolling interests | 9.7 |  |  |  |  |  | 9.7 |
Net change in unrealized gains (losses) on available-for-sale securities, net of tax | (0.8) |  |  |  |  | (0.8) |  |
Net unrealized gains (losses) on cash flow hedges | (205.2) |  |  |  |  | (205.2) |  |
Foreign currency translation adjustment | (41.0) |  |  |  |  | (41.0) |  |
Dividends paid | (92.3) |  |  |  | (92.3) |  |  |
Share-based Compensation for equity-classified awards | 46.1 |  | 46.1 |  |  |  |  | $ 46.1
Excess (write-off) tax benefits related to share-based compensation | (8.3) |  | (8.3) |  |  |  |  |
Proceeds from Stock Options Exercised | 5.5 |  |  |  |  |  |  |
Defined contribution plan share contribution | 0.5 |  | 0.5 |  |  |  |  |
Postretirement plans and workers' compensation obligations | (98.6) |  |  |  |  | (98.6) |  |
Employee stock purchases | 5.1 |  | 5.1 |  |  |  |  |
Repurchase of employee common stock relinquished for tax withholding | (2.4) |  | 0.0 | (2.4) |  |  |  |
Distributions to Non controlling interest | 4.7 |  |  |  |  |  | (4.7) |
Dividend payable to noncontrolling interests | (42.5) |  |  |  |  |  | (42.5) |
Ending Balance at Dec. 31, 2014 | 2,529.0 | 0.2 | 2,386.0 | (467.1) | 1,373.0 | (764.8) | 1.7 |
Net loss | (1,958.2) |  |  |  |  |  |  |
Net loss attributable to common stockholders | (1,965.3) |  |  |  | (1,965.3) |  |  |
Less: Net income attributable to noncontrolling interests | 7.1 |  |  |  |  |  | 7.1 |
Net change in unrealized gains (losses) on available-for-sale securities, net of tax | 0.0 |  |  |  |  |  |  |
Net unrealized gains (losses) on cash flow hedges | 120.4 |  |  |  |  | 120.4 |  |
Foreign currency translation adjustment | (34.9) |  |  |  |  | (34.9) |  |
Dividends paid | (1.4) |  |  |  | (1.4) |  |  |
Share-based Compensation for equity-classified awards | 26.2 |  | 26.2 |  |  |  |  | 26.2
Excess (write-off) tax benefits related to share-based compensation | 0.0 | 0.0 | (3.5) | 0.0 | 0.0 | 0.0 | 0.0 |
Proceeds from Stock Options Exercised | 3.4 |  |  |  |  |  |  |
Defined contribution plan share contribution | 19.6 |  | (1.4) | 97.5 | (76.5) |  |  |
Postretirement plans and workers' compensation obligations | 60.4 |  |  |  |  | 60.4 |  |
Employee stock purchases | (4.0) |  | 3.4 |  |  |  | (0.5) |
Repurchase of employee common stock relinquished for tax withholding | (2.1) |  |  | (2.1) |  |  |  |
Consolidation of noncontrolling interests | 1.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.6 |
Dividend payable to noncontrolling interests | (6.3) |  |  |  |  |  | (6.3) |
Dividend payable to noncontrolling interests | (2.0) |  |  |  |  |  | (2.0) |
Ending Balance at Dec. 31, 2015 | 751.7 | 0.2 | 2,410.7 | (371.7) | (670.2) | (618.9) | 1.6 |
Net loss | (721.4) |  |  |  |  |  |  |
Net loss attributable to common stockholders | (729.3) |  |  |  | (729.3) |  |  |
Less: Net income attributable to noncontrolling interests | 7.9 |  |  |  |  |  | 7.9 |
Net unrealized gains (losses) on cash flow hedges | 146.3 |  |  |  |  | 146.3 |  |
Foreign currency translation adjustment | (1.8) |  |  |  |  | (1.8) |  |
Share-based Compensation for equity-classified awards |  |  | 11.3 |  |  |  |  | $ 11.3
Excess (write-off) tax benefits related to share-based compensation | 0.0 |  |  |  |  |  |  |
Proceeds from Stock Options Exercised | 0.0 |  |  |  |  |  |  |
Postretirement plans and workers' compensation obligations | (2.6) |  |  |  |  | (2.6) |  |
Repurchase of employee common stock relinquished for tax withholding | (0.1) |  |  | (0.1) |  |  |  |
Dividend payable to noncontrolling interests | (1.9) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | (1.9) |
Dividend payable to noncontrolling interests |  | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |  |
Ending Balance at Dec. 31, 2016 | $ 181.5 | $ 0.2 | $ 2,422.0 | $ (371.8) | $ (1,399.5) | $ (477.0) | $ 7.6 |

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