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Earnings Per Share | 3 Months Ended
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Mar. 31, 2015
Earnings Per Share [Abstract] |
Earnings Per Share | 3. 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. For purposes of calculating basic and diluted earnings per share, vested restricted stock awards are considered outstanding. 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, restricted stock units and convertible debt instruments and warrants. During the three months ended March 31, 2015 and 2014, the Company reported a consolidated net loss. As a result of the net loss, unvested restricted stock, restricted stock unit awards 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 unit awards excluded from the calculations of diluted net loss per share were 4.0 million and 3.8 million for the three months ended March 31, 2015 and 2014, respectively. The calculation of diluted weighted average shares excludes the impact of conversion of the outstanding principal amount of $316.3 million of the Company's 2.75% convertible senior notes due 2018. As of March 31, 2015 and 2014, the maximum number of shares issuable upon conversion of the notes is approximately 13.8 million (after giving effect to additional make-whole shares issuable upon conversion in connection with the occurrence of certain events); however it is the Company's current intent and policy to settle the principal amount of the notes in cash upon conversion. The maximum number of shares issuable upon conversion of the notes in excess of the amount of principal that would be settled in cash is 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, 2015 and 2014, the number of shares issuable upon exercise of the warrants was approximately 10.8 million. See Note 8 for more information about the 2.75% convertible notes.

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