Quarterly report pursuant to Section 13 or 15(d)

Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)

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Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swap liabilities - current $ (5,318) [1] $ (5,367)
Interest rate swap liabilities - long term (520) [2] (3,809)
Investment in RealD 11,458 10,443
Level 1
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment in RealD 11,458 10,443
Level 3
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swap liabilities - current (5,318) (5,367)
Interest rate swap liabilities - long term $ (520) $ (3,809)
[1] Included in accounts payable and accrued expenses on the condensed consolidated balance sheet as of September 30, 2014.
[2] Included in other long-term liabilities on the condensed consolidated balance sheet as of September 30, 2014.