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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2011
Earnings Per Share [Abstract] 
Earnings Per Share
                                 
    Three Months Ended     Nine Months Ended  
    September 30,     September 30,  
    2011     2010     2011     2010  
Numerator:
                               
Net income attributable to Cinemark Holdings, Inc.
  $ 46,920     $ 33,332     $ 112,294     $ 108,107  
Earnings allocated to participating share-based awards (1)
    (569 )     (368 )     (1,218 )     (979 )
     
Net income attributable to common stockholders
  $ 46,351     $ 32,964     $ 111,076     $ 107,128  
           
 
                               
Denominator (shares in thousands):
                               
Basic weighted average common stock outstanding
    112,817       112,179       112,709       111,317  
Common equivalent shares for stock options
    40       182       43       236  
Common equivalent shares for restricted stock units
    441       155       418       211  
     
Diluted
    113,298       112,516       113,170       111,764  
           
 
                               
Basic earnings per share attributable to common stockholders
  $ 0.41     $ 0.29     $ 0.98     $ 0.96  
           
Diluted earnings per share attributable to common stockholders
  $ 0.41     $ 0.29     $ 0.98     $ 0.96  
           
 
(1)   For the three months ended September 30, 2011 and 2010, a weighted average of approximately 1,385 and 1,251 shares of unvested restricted stock, respectively, were considered participating securities. For the nine months ended September 30, 2011 and 2010, a weighted average of approximately 1,237 and 1,017 shares of unvested restricted stock, respectively, were considered participating securities.