v3.26.1
LEASES - Lease costs (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Leases:    
Interest expense on lease liabilities $ 1.5 $ 1.2
Total lease cost 255.9 241.6
Depreciation and amortization    
Leases:    
Amortization of finance lease assets 0.7 0.7
Interest expense    
Leases:    
Interest expense on lease liabilities 0.8 0.8
Theatre properties | Rent    
Leases:    
Operating lease cost 192.1 190.2
Variable operating and finance lease cost 32.0 27.9
Theatre properties | Operating expense    
Leases:    
Operating lease cost 1.3 1.2
Theatre properties | Interest expense    
Leases:    
Variable operating and finance lease cost 0.6 0.4
Equipment | Operating expense    
Leases:    
Operating lease cost 12.6 9.7
Variable operating and finance lease cost 14.6 9.4
Office and other | General and administrative: other    
Leases:    
Operating lease cost $ 1.2 $ 1.3