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Investment in National CineMedia LLC - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Schedule Of Equity Method Investments [Line Items]        
Number of additional common units of NCM received under common unit adjustment agreement 500,000      
Value of common units received from NCM $ 1.3 $ 10.2 $ 3.6  
Impairment of long-lived and other assets $ 174.1 20.8 152.7  
Investment In Ncm [Member]        
Schedule Of Equity Method Investments [Line Items]        
Interest in common units of NCM acquired by Company 25.40%      
Number of common units of NCM owned by Company 43,700,000      
Estimated fair value of investment using NCM's stock price $ 9.6      
NCMI common stock price $ 0.22      
Carrying value $ 9.6 $ 135.4 152.0 $ 265.8
Impairment of long-lived and other assets [1] $ (113.2)   $ (92.7)  
Deferred revenue or NCM screen advertising advances extended term 2041-02      
Ncm [Member]        
Schedule Of Equity Method Investments [Line Items]        
Remaining performance obligations $ 174.0      
Deferred revenue amortization year and month 2041-02      
Impairment of long-lived and other assets $ 113.2      
Ncm [Member] | Minimum [Member]        
Schedule Of Equity Method Investments [Line Items]        
Percentage Of Incremental Borrowing Rates 4.40%      
Ncm [Member] | Maximum [Member]        
Schedule Of Equity Method Investments [Line Items]        
Percentage Of Incremental Borrowing Rates 8.30%      
[1] Reflected in impairment of long-lived and other assets on the consolidated income statement for the year indicated. See further discussion at Fair Value of Investment in NCM below.