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Earnings Per Share | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Earnings Per Share | 14. Earnings Per Share The Company computes earnings per share using the two-class method, which is an earnings allocation formula that determines earnings per share for common stock and any participating securities according to dividends declared (whether paid or unpaid) and participation rights in undistributed earnings. The Series A Preferred Stock is considered participating securities because it has dividend rights determined on an as-converted basis in the event of Company's declaration of a dividend or distribution for common shares. On October 10, 2018, the Company completed its previously-announced 1-for-12 reverse stock split. The Successor period presented has been retrospectively revised to reflect this change. The following table sets forth the computation of basic and diluted net income per common share (amounts in millions, except per share amounts).
| Successor |  |  | Predecessor
| For the Period August 1 - September 30, 2018 |  |  | For the Period July 1 - July 31, 2018 |  | Three Months Ended September 30, 2017 |  | For the Period January 1 - July 31, 2018 |  | Nine Months Ended September 30, 2017
Net income (loss) attributable to Successor/Predecessor | $ | 1,020 |  |  |  | $ | (64 | ) |  | $ | 7 |  |  | $ | 154 |  |  | $ | (11 | )
Less: Undistributed earnings attributable to participating stockholders | 9 |  |  |  | — |  |  | — |  |  | — |  |  | — |
Net income (loss) attributable to common stockholders | $ | 1,011 |  |  |  | $ | (64 | ) |  | $ | 7 |  |  | $ | 154 |  |  | $ | (11 | )
Net income (loss) per common share attributable to Successor/Predecessor: |  |  |  |  |  |  |  |  |  |
Basic | $ | 11.13 |  |  |  | $ | (0.65 | ) |  | $ | 0.07 |  |  | $ | 1.57 |  |  | $ | (0.11 | )
Diluted | $ | 10.99 |  |  |  | $ | (0.65 | ) |  | $ | 0.07 |  |  | $ | 1.55 |  |  | $ | (0.11 | )
Weighted average shares of common stock outstanding (in thousands): |  |  |  |  |  |  |  |  |  |
Basic | 90,808 |  |  |  | 98,164 |  |  | 97,706 |  |  | 98,046 |  |  | 97,685 |
Dilutive effect of stock awards | 345 |  |  |  | — |  |  | 988 |  |  | 1,091 |  |  | — |
Dilutive effect of participating securities | 839 |  |  |  | — |  |  | — |  |  | — |  |  | — |
Diluted | 91,992 |  |  |  | 98,164 |  |  | 98,694 |  |  | 99,137 |  |  | 97,685 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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