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Long-Term Debt (Tables)
12 Months Ended
Dec. 31, 2011
Long-Term Debt [Abstract]  
Schedule Of Long-Term Debt
     December 31,      December 31,  
(in thousands)    2011      2010  

Senior convertible notes

   $ 153,453       $ 145,743   

less: current portion

     —           —     
  

 

 

    

 

 

 

Total debt principal

   $ 153,453       $ 145,743