REVENUE RECOGNITION - Changes in Deferred Revenues (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
Change in Contract with Customer Liability [Line Items]
Amounts recognized as accounts receivable		$ 2.1	$ 4.9
NCM Screen Advertising Advances
Change in Contract with Customer Liability [Line Items]
Beginning Balance	[1]	328.4	338.2
Amounts recognized as accounts receivable	[1]	0.0	0.0
Cash received from customers in advance	[1]	0.0	0.0
Dispositions	[1],[2]		0.0
Common units received from NCM (see Note 8)	[1]	0.5
Interest accrued related to significant financing component	[1]	22.0	22.6
Revenue recognized during period	[1]	(32.4)	(32.4)
Foreign currency translation adjustments	[1]	0.0	0.0
Ending Balance	[1]	318.5	328.4
Other Deferred Revenues
Change in Contract with Customer Liability [Line Items]
Beginning Balance	[3]	221.6	194.9
Amounts recognized as accounts receivable	[3]	10.8	4.6
Cash received from customers in advance	[3]	376.0	327.4
Dispositions	[2],[3]		(0.4)
Common units received from NCM (see Note 8)	[3]	0.0
Interest accrued related to significant financing component	[3]	0.0	0.0
Revenue recognized during period	[3]	(353.7)	(299.5)
Foreign currency translation adjustments	[3]	(3.9)	(5.4)
Ending Balance	[3]	$ 250.8	$ 221.6

[1] See Significant Financing Component in Note 8 for discussion of NCM screen advertising advances and maturity of balances as of December 31, 2024.

[2] Relates to the sale of the Company’s Ecuador subsidiary. See Note 7

[3] Includes liabilities associated with outstanding gift cards and prepaid and discount ticket vouchers, points, credits or rebates outstanding under the Company’s loyalty and subscription programs and revenue not yet recognized for screen advertising and other promotional activities. Amounts are classified as accounts payable and accrued expenses or other long-term liabilities on the consolidated balance sheets.