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Earnings Per Share (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Income (Loss) from Continuing Operations $ 45,324 $ (107,574) $ 166,962 $ (26,194)
Effect of dilutive securities 1,533,000 0 1,732,000 0
Parent Company [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Income (Loss) from Continuing Operations $ 46,900 $ (106,000) $ 171,600 $ (21,900)
Employee Stock Options [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Stock options, weighted average exercise price $ 22.74 $ 19.55 $ 23.79 $ 20
Shares excluded from computation of earnings per share 4,300,000 9,400,000 4,600,000 9,800,000