LEASE ACCOUNTING - Schedule of Operating and Finance Right-of-Use Assets and Lease Liabilities (Detail) - USD ($) $ in Millions		Dec. 31, 2024	Dec. 31, 2023
Assets
Operating lease assets	[1]	$ 930.4	$ 986.4
Finance lease assets	[1],[2]	$ 93.8	$ 55.7
Finance Lease Right Of Use Asset Statement Of Financial Position [Extensible List]		Theatre properties and equipment, net of accumulated depreciation	Theatre properties and equipment, net of accumulated depreciation
Total lease assets	[1]	$ 1,024.2	$ 1,042.1
Liabilities, Current
Operating		212.1	212.5
Current portion of finance lease obligations		15.4	14.0
Liabilities, Noncurrent
Operating		784.0	853.3
Finance lease obligations, less current portion		109.9	73.8
Total lease liabilities		$ 1,121.4	$ 1,153.6

[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] Finance lease assets are net of accumulated amortization of $73.9 and $58.4 as of December 31, 2023 and 2024, respectively.