LEASE ACCOUNTING - Schedule of Operating and Finance Right-of-Use Assets and Lease Liabilities (Detail) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Assets
Operating lease assets	[1]	$ 986.4	$ 1,102.7
Finance lease assets	[1],[2]	$ 55.7	$ 67.8
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]	$ 1,042.1	$ 1,170.5
Liabilities, Current
Operating	[1]	212.5	219.3
Current portion of finance lease obligations	[1]	14.0	14.4
Liabilities, Noncurrent
Operating	[1]	853.3	970.6
Finance lease obligations, less current portion	[1]	73.8	88.0
Total lease liabilities	[1]	$ 1,153.6	$ 1,292.3

[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.

[2] Finance lease assets are net of accumulated amortization of $62.5 and $73.9 as of December 31, 2022 and 2023, respectively.