Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Detail)

v2.4.0.6
Summary of Significant Accounting Policies (Detail)
 12 Months Ended
Dec. 31, 2012
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Tradename Indefinite-lived
Goodwill
  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Goodwill Indefinite-lived
Vendor Contracts
  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Finite-Lived Intangible Assets, Amortization Method Straight-line method over the terms of the underlying contracts. The remaining terms of the underlying contracts range from 1 to 10 years.
Favorable/unfavorable leases
  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Finite-Lived Intangible Assets, Amortization Method Based on the pattern in which the economic benefits are realized over the terms of the lease agreements. The remaining terms of the lease agreements range from 1 to 24 years.
Other Intangible Assets
  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Finite-Lived Intangible Assets, Amortization Method Straight-line method over the terms of the underlying agreement or the expected useful life of the intangible asset. The remaining useful lives of these intangible assets range from 1 to 8 years.
Buildings On Owned Land
  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Estimated useful life of assets 40 years
Buildings On Leased Land
  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Estimated useful life of assets Lesser of lease term or useful life
Buildings Under Capital Lease
  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Estimated useful life of assets Lesser of lease term or useful life
Theatre furniture and equipment | Minimum
  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Estimated useful life of assets 5 years
Theatre furniture and equipment | Maximum
  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Estimated useful life of assets 15 years
Leasehold Improvements
  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Estimated useful life of assets Lesser of lease term or useful life