Annual report pursuant to Section 13 and 15(d)

Goodwill (Detail)

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Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2011
Hoyts General Cinema (Argentina)
Dec. 31, 2012
U.S. Theatre
Dec. 31, 2012
U.S. Operating Segment
Dec. 31, 2011
U.S. Operating Segment
Dec. 31, 2010
U.S. Operating Segment
Dec. 31, 2012
U.S. Operating Segment
U.S. Theatre
Dec. 31, 2012
International Operating Segment
Dec. 31, 2011
International Operating Segment
Dec. 31, 2011
International Operating Segment
Hoyts General Cinema (Argentina)
Goodwill [Line Items]                      
Beginning Balance $ 1,150,637 [1] $ 1,122,971 [1]     $ 956,997 [1] $ 948,026 [1] $ 948,026 [1]   $ 202,611 [1] $ 174,945 [1]  
Acquisition of theatres in U.S. and Argentina     43,018 8,971       8,971     43,018
Foreign currency translation adjustments (8,797) (15,352)             (8,797) (15,352)  
Ending Balance $ 1,150,811 [1] $ 1,150,637 [1]     $ 956,997 [1] $ 948,026 [1] $ 948,026 [1]   $ 193,814 [1] $ 202,611 [1]  
[1] Balances are presented net of accumulated impairment losses of $214,031 for the U.S. operating segment and $27,622 for the international operating segment.