v3.25.4
THE COMPANY AND SIGNIFICANT ACCOUNTING POLICIES - Revenues, Film Exhibition Costs, Exhibitor Services Agreement, Advertising Costs and Cash and Cash Equivalents (Details)
$ in Millions
12 Months Ended
Apr. 17, 2025
Dec. 31, 2025
USD ($)
item
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Apr. 16, 2025
Schedule of Equity Method Investments [Line Items]          
Percentage of revenue related to sales of gift cards and packaged tickets deferred   100.00%      
Film Exhibition Costs          
Film exhibition cost payable   $ 144.4 $ 143.9    
Advertising Costs          
Advertising Expense   21.5 22.2 $ 43.6  
Cash and Equivalents          
Cash and cash equivalents   428.5 632.3 $ 884.3  
Amended ESA          
Exhibitor Services Agreement          
Exhibitor services agreement, extension term 5 years        
Contract modification, weighted average discount rate 16.12%        
Exhibitor Services Agreement          
Exhibitor Services Agreement          
Contract modification, weighted average discount rate         7.50%
U.S. Markets          
Cash and Equivalents          
Cash and cash equivalents   $ 302.6 513.0    
U.S. Markets | Revenues | Customer concentration risk          
Film Exhibition Costs          
Number of movie studio distributors | item   7      
Concentration risk percentage   83.00%      
Europe | Revenues | Customer concentration risk          
Film Exhibition Costs          
Number of movie studio distributors | item   5      
Concentration risk percentage   76.00%      
International Markets          
Cash and Equivalents          
Cash and cash equivalents   $ 125.9 $ 119.3    
Minimum          
Schedule of Equity Method Investments [Line Items]          
Non-redemption rate   13.00%      
Period over which total amount of breakage for that current month's sales in proportion to the pattern of actual redemptions is recognized   1 month      
Maximum          
Schedule of Equity Method Investments [Line Items]          
Non-redemption rate   30.00%      
Period over which total amount of breakage for that current month's sales in proportion to the pattern of actual redemptions is recognized   36 months