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Earnings (Loss) Per Common Share
12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Earnings (Loss) Per Common Share
Earnings (Loss) Per Common Share
  
The effect of options, restricted stock and restricted stock units representing 7.7 million , 7.5 million, and 4.9 million shares of common stock were excluded from the calculation of diluted weighted average shares outstanding for the years ended December 31, 2014, 2013 and 2012, respectively because the exercise price or grant price of the securities exceeded the average market price of the Company's common stock for these periods. The effect of options, restricted stock and restricted stock units representing 2.0 million shares were excluded from the calculation of weighted average shares due to the Company's incurring a net loss for the years ended December 31, 2014.