Quarterly report pursuant to Section 13 or 15(d)

Investment in National CineMedia LLC - Additional Information (Detail)

v3.22.1
Investment in National CineMedia LLC - Additional Information (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Schedule Of Equity Method Investments [Line Items]    
Estimated fair value of additional common units received $ 0.5  
Number of common units of NCM owned by Company 43.2  
Interest in common units of NCM owned by Company 26.00%  
NCM    
Schedule Of Equity Method Investments [Line Items]    
Recognized incremental screen rental revenue and offsetting interest expense $ 5.8 $ 5.8
Amortization of screen advertising advances $ 8.0 $ 7.9
NCM | Minimum    
Schedule Of Equity Method Investments [Line Items]    
Percentage of incremental borrowing rates 4.40%  
NCM | Maximum    
Schedule Of Equity Method Investments [Line Items]    
Percentage of incremental borrowing rates 8.30%  
Investment In NCM    
Schedule Of Equity Method Investments [Line Items]    
Common unit convertible into share of NCMI common stock, conversion ratio 1  
Estimated fair value of investment using NCM's stock price $ 109.6  
NCMI common stock price $ 2.54