Quarterly report pursuant to Section 13 or 15(d)

Investment in National CineMedia - Additional Information (Detail)

v3.7.0.1
Investment in National CineMedia - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 30, 2017
Mar. 31, 2017
Mar. 31, 2016
Schedule of Equity Method Investments [Line Items]      
Number of additional common units of NCM received under common unit adjustment agreement 1,487,218    
Value of common units received from NCM   $ 18,363 $ 11,111
Remaining term of exhibitor services agreement   19 years  
Number of common units of NCM owned by Company   27,871,862  
Interest in common units of NCM owned by Company   18.00%  
NCM | Theatre Properties and Equipment      
Schedule of Equity Method Investments [Line Items]      
Payment for installation of certain equipment used for digital advertising   $ 18 $ 22
Investment In NCM      
Schedule of Equity Method Investments [Line Items]      
Estimated fair value of investment using NCMI's stock price   $ 352,021  
NCMI stock price   $ 12.63