THEATRE PROPERTIES AND EQUIPMENT - Summary of Carrying Value of Ecuador's Significant Assets and Liabilities (Details) - USD ($) $ in Millions		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Theatre properties and equipment, net of accumulated depreciation		$ 1,145.1	$ 1,161.7
Operating lease right-of-use assets, net	[1]	930.4	986.4
Goodwill	[2]	$ 1,239.6	$ 1,251.0	$ 1,250.9

[1] The operating lease right-of-use assets and liabilities recorded on the Company’s consolidated balance sheets generally do not include renewal options that have not yet been exercised. The Company does not consider a lease renewal as reasonably certain until immediately before the necessary notification is provided to the landlord after consideration of market conditions and performance of the theater.

[2] Balances are presented net of accumulated impairment losses of $214.0 for the U.S. reportable segment and $43.8 for the international reportable segment.