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Earnings Per Share (Details) (USD $)
In Thousands, except Share data
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Numerator:    
Net income attributable to Cinemark Holdings, Inc.$ 46,920$ 33,332$ 112,294$ 108,107
Earnings allocated to participating share-based awards(569)(368)(1,218)(979)
Net income attributable to common stockholders$ 0$ 32,964$ 0$ 107,128
Denominator (shares in thousands):    
Basic weighted average common stock outstanding112,817,000112,179,000112,709,000111,317,000
Common equivalent shares for stock options40,000182,00043,000236,000
Common equivalent shares for restricted stock units441,000155,000418,000211,000
Diluted113,298,000112,516,000113,170,000111,764,000
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
Earnings Per Share (Textual) [Abstract]    
Shares of unvested restricted stock1,3851,2511,2371,017