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Earnings Per Share | 3 Months Ended
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Mar. 31, 2019
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share Basic earnings per share ("EPS") is calculated by dividing net income by the weighted average number of shares of common stock outstanding. Diluted EPS includes the components of basic EPS and also gives effect to dilutive common stock equivalents. Under the treasury stock method, diluted EPS reflects the potential dilution that could occur if securities or other instruments that are convertible into common stock were exercised or could result in the issuance of common stock. Potentially dilutive common stock equivalents include unvested restricted stock, unvested and vested restricted stock units, and convertible debt instruments and warrants. During the three months ended March 31, 2019 and 2018, the Company reported a consolidated net loss. As a result of the net loss, unvested restricted stock, restricted stock units, and convertible debt instruments and warrants were antidilutive for each period and were not included in the computation of diluted weighted average shares. The weighted average restricted stock and restricted stock units excluded from the calculations of diluted net loss per share were 7.2 million and 7.0 million for the three months ended March 31, 2019 and 2018, respectively. For the three months ended March 31, 2018, the calculation of diluted weighted average shares excludes the impact of conversion of the principal amount of $316.3 million of the Company's 2.75% convertible senior notes which were repaid in cash at their maturity on June 15, 2018. As of March 31, 2018, the maximum number of shares issuable upon conversion of the notes was approximately 13.8 million (after giving effect to additional make-whole shares issuable upon conversion in connection with the occurrence of certain events). As of March 31, 2018, the maximum number of shares issuable upon conversion of the notes in excess of the amount of principal that would be settled in cash was approximately 3.0 million. In addition, the calculation of diluted weighted average shares excludes the impact of the exercise of warrants to acquire the Company's common stock. As of March 31, 2018, the number of shares issuable upon exercise of the warrants was approximately 10.8 million. During the three months ended March 31, 2019, the option to exercise the remaining outstanding warrants expired unexercised.

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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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