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Stock-Based Compensation (Schedule Of Restricted Stock And Performance Share Awards Activity) (Details) (Restricted Stock And Performance Shares [Member], USD $)
3 Months Ended
Mar. 31, 2014
Sep. 30, 2013
Restricted Stock And Performance Shares [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding unvested as of January 1, 2014 1,633,491 1,196,705
Number of Shares, Granted 136,600  
Number of Shares, Vested (48,049)  
Number of Shares, Forfeited/canceled/expired (525,337)  
Outstanding as of March 31, 2014   1,196,705
Outstanding unvested as of January 1, 2014 $ 10.98  
Weighted-Average Grant Date Fair Value, Granted $ 10.33  
Weighted-Average Grant Date Fair Value, Vested $ 15.16  
Weighted-Average Grant Date Fair Value, Forfeited/canceled/expired $ 9.61  
Outstanding as of March 31, 2014 $ 11.34