XML 27 R81.htm IDEA: XBRL DOCUMENT v2.4.0.8
Earnings (Loss) Per Share - Calculation of Weighted Average Common Shares Outstanding used in Computation of Diluted Earnings (Loss) Per Share (Parenthetical) (Details)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Restricted Stock
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 1.0 1.2
Convertible Preferred Stock
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 90.1 90.1
8.5% Convertible perpetual preferred stock
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Preferred stock, dividend rate, percentage 8.50%  
6.0% Convertible perpetual preferred stock
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Preferred stock, dividend rate, percentage 6.00%  
7.0% Convertible perpetual preferred stock
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Preferred stock, dividend rate, percentage 7.00%