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Summary Of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2011
Summary Of Significant Accounting Policies [Abstract]  
Schedule Of Accumulated Other Comprehensive (Loss)
     December 31,  
     2011     2010  

Foreign currency translation, net of income taxes when applicable

   $ (12,311   $ 27,923   

Early-retiree medical plan adjustments, net of income taxes

     14,384        13,190   

Fair market value of derivatives, net of income taxes

     (40,250     (68,889
  

 

 

   

 

 

 
   $ (38,177   $ (27,776