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Goodwill and Other Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 3 Months Ended
Mar. 31, 2012
Mar. 31, 2012
US Theatre [Member]
Mar. 31, 2012
US Operating Segment [Member]
Dec. 31, 2011
US Operating Segment [Member]
Mar. 31, 2012
US Operating Segment [Member]
US Theatre [Member]
Mar. 31, 2012
International Operating Segment [Member]
Summary of goodwill            
Beginning Balance $ 1,150,637   $ 956,997 $ 948,026   $ 202,611
Acquisition of U.S. theatre   8,971     8,971  
Foreign currency translation adjustments 4,983         4,983
Ending Balance $ 1,164,591   $ 956,997 $ 948,026   $ 207,594