Quarterly report pursuant to Section 13 or 15(d)

Summary of Changes in Company's Investment in Digital Cinema Implementation Partners (Detail)

v2.4.0.8
Summary of Changes in Company's Investment in Digital Cinema Implementation Partners (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Schedule of Equity Method Investments [Line Items]        
Equity in income $ 10,328 $ 11,733 $ 17,548 $ 15,839
Equity in other comprehensive loss 466 1,776 862 3,454
Digital Cinema Implementation Partners LLC
       
Schedule of Equity Method Investments [Line Items]        
Beginning balance     38,033  
Cash contributions     1,925  
Equity in income 4,791 4,613 10,969 7,315
Equity in other comprehensive loss     194  
Ending balance $ 51,121   $ 51,121