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CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (USD $)
In Thousands
Total
Convertible Perpetual Preferred Stock
Common Stock
Additional Paid-In Capital
Treasury Stock
Accumulated Deficit
Noncontrolling Interest
Beginning Balance at Dec. 31, 2012 $ 3,862,455 $ 8 $ 476 $ 5,228,019 $ (8,602) $ (2,851,048) $ 1,493,602
Beginning Balance (in shares) at Dec. 31, 2012 490,359   490,359        
Beginning Balance (in shares) at Dec. 31, 2012 7,650 7,650          
Distributions to noncontrolling interest owners (51,256)           (51,256)
Purchase of treasury stock (11,216)       (11,216)    
Retirement of treasury stock 0     (11,216) 11,216    
Stock purchases - retirement plans, net of distributions (in shares)     (59)        
Stock purchases - retirement plans, net of distributions 97     469 (372)    
Stock-based compensation 20,552     20,552      
Issuance of restricted stock awards, net of cancellations (in shares)     3,027        
Issuance of restricted stock awards, net of cancellations 0   3 (3)      
Net loss (531,259)         (479,340) (51,919)
Convertible perpetual preferred stock dividends (13,881)         (13,881)  
Ending Balance at Mar. 31, 2013 $ 3,275,492 $ 8 $ 479 $ 5,237,821 $ (8,974) $ (3,344,269) $ 1,390,427
Ending Balance (in shares) at Mar. 31, 2013 493,327   493,327        
Ending Balance (in shares) at Mar. 31, 2013 7,650 7,650