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Prepaids And Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2011
Prepaids And Other Current Assets [Abstract]  
Schedule Of Prepaids And Other Current Assets
     December 31, 2011      December 31, 2010  

Prepaid income taxes

   $ 1,984       $ 5,518   

Survey participant incentives and prepaid postage

     1,770         2,467   

Insurance recovery receivables

     993         601   

Other

     2,394         2,746   
  

 

 

    

 

 

 

Prepaids and other current assets

   $ 7,141       $ 11,332