v3.24.0.1
REVENUE RECOGNITION - Changes in liabilities (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Apr. 11, 2023
Deferred revenues related to contracts with customers      
Beginning balance $ 398.8 $ 405.1  
Cash received in advance 331.7 292.0  
Foreign currency translation adjustment (2.3) (6.1)  
Ending balance 415.3 398.8  
National CineMedia Inc.      
Deferred revenues related to contracts with customers      
Number of common unit issuance     16,581,829
Exhibitor Services Agreement      
Deferred revenues related to contracts with customers      
Beginning balance 505.8 510.4  
Common Unit Adjustment-additions of common units   15.0  
Reclassification of the beginning balance to other theatre revenue, as the result of performance obligations satisfied (19.2) (19.6)  
Ending balance $ 486.6 505.8  
Term of amortization of the exhibitor services agreement (ESA) with NCM 30 years    
Admissions      
Deferred revenues related to contracts with customers      
Customer loyalty awards accumulated, net of expirations $ 22.3 14.9  
Reclassification of the beginning balance to other theatre revenue, as the result of performance obligations satisfied (237.5) (205.2)  
Food and beverage      
Deferred revenues related to contracts with customers      
Customer loyalty awards accumulated, net of expirations 37.8 22.7  
Reclassification of the beginning balance to other theatre revenue, as the result of performance obligations satisfied (70.1) (57.5)  
Other theatre.      
Deferred revenues related to contracts with customers      
Customer loyalty awards accumulated, net of expirations (1.3) (0.4)  
Reclassification of the beginning balance to other theatre revenue, as the result of performance obligations satisfied $ (64.1) $ (66.7)