Earnings Per Share
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Dec. 28, 2012
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Earnings Per Share [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Earnings Per Share | Earnings Per Share The following table sets forth the computation of basic earnings per share and earnings per share, assuming dilution:
Basic earnings per share is based on the weighted-average number of shares of common stock outstanding. Earnings per share, assuming dilution, is based on the weighted-average number of shares of common stock outstanding adjusted for the effects of common stock that may be issued as a result of the following types of potentially dilutive instruments:
The Earnings Per Share Topic in the ASC requires CSX to include additional shares in the computation of earnings per share, assuming dilution. The additional shares included in diluted earnings per share represent the number of shares that would be issued if all of the above potentially dilutive instruments were converted into CSX common stock. NOTE 2. Earnings Per Share, continued When calculating diluted earnings per share, the Earnings Per Share Topic in the ASC requires CSX to include the potential shares that would be outstanding if all outstanding stock options were exercised. This is offset by shares CSX could repurchase using the proceeds from these hypothetical exercises to obtain the common stock equivalent. This number is different from outstanding stock options, which is included in Note 4, Stock Plans and Share-Based Compensation. All stock options were dilutive for the periods presented; therefore, no stock options were excluded from the diluted earnings per share calculation. Diluted shares outstanding are not impacted when debentures are converted into CSX common stock because those shares were already included in the diluted shares calculation. Shares outstanding for basic earnings per share, however, are impacted on a weighted-average basis when conversions occur. During 2012 and 2011, $2 million and $6 million, respectively, of face value convertible debentures were converted into approximately 155 thousand shares and 675 thousand shares of CSX common stock, respectively. As of December 2012, approximately $2 million of convertible debentures at face value remained outstanding, which are convertible into 245 thousand shares of CSX common stock. |