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Investment in Digital Cinema Implementation Partners (Tables)
 6 Months Ended
Jun. 30, 2011
Investment in Digital Cinema Implementation Partners (Tables) [Abstract]  
Summary of activity with DCIP
         
    Investment in  
    DCIP  
Balance as of December 31, 2010
  $ 10,838  
Cash contributions to DCIP
    985  
Equity in loss
    (283 )
 
     
Balance as of June 30, 2011
  $ 11,540