Quarterly report pursuant to Section 13 or 15(d)

Investment in National CineMedia LLC - Additional Information (Detail)

v3.22.2.2
Investment in National CineMedia LLC - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 9 Months Ended
Apr. 30, 2022
Sep. 30, 2022
Sep. 30, 2021
Schedule Of Equity Method Investments [Line Items]      
Number of additional common units of NCM receive under common unit adjustment agreement   500,000  
Estimated fair value of additional common units received $ 1.3 $ 1.3 $ 10.2
Investment impairment expense   98.0  
NCM      
Schedule Of Equity Method Investments [Line Items]      
Recognized incremental screen rental revenue and offsetting interest expense   17.5 17.7
Amortization of screen advertising advances   $ 24.3 $ 24.0
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]      
Number of common units of NCM owned by Company   43,700,000  
Interest in common units of NCM owned by Company   25.50%  
Common unit convertible into share of NCMI common stock, conversion ratio   1  
Estimated fair value of investment using NCM's stock price   $ 28.4  
NCMI common stock price   $ 0.65