REVENUE RECOGNITION - Changes in Deferred Revenues (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023		Dec. 31, 2022		Dec. 31, 2021
Change in Contract with Customer Liability [Line Items]
Amounts recognized as accounts receivable		$ 4.9		$ 4.9
NCM Screen Advertising Advances
Change in Contract with Customer Liability [Line Items]
Beginning Balance	[1]	338.2		346.0
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 9)				(1.3)		$ (10.2)
Interest accrued related to significant financing component		22.6	[1]	23.2	[1]	23.6
Revenue recognized during period	[1]	(32.4)		(32.3)
Foreign currency translation adjustments	[1]	0.0		0.0
Ending Balance	[1]	328.4		338.2		346.0
NCM Screen Advertising Advances | NCM
Change in Contract with Customer Liability [Line Items]
Common units received from NCM (see Note 9)	[1]			(1.3)
Other Deferred Revenues
Change in Contract with Customer Liability [Line Items]
Beginning Balance	[3]	194.9		160.3
Amounts recognized as accounts receivable	[3]	4.6		1.8
Cash received from customers in advance	[3]	327.4		241.1
Dispositions	[2],[3]	(0.4)
Interest accrued related to significant financing component	[3]	0.0		0.0
Revenue recognized during period	[3]	(299.5)		(206.9)
Foreign currency translation adjustments	[3]	(5.4)		(1.4)
Ending Balance	[3]	$ 221.6		194.9		$ 160.3
Other Deferred Revenues | NCM
Change in Contract with Customer Liability [Line Items]
Common units received from NCM (see Note 9)	[3]			$ 0.0

[1] See Significant Financing Component in Note 9 for discussion of NCM screen advertising advances and maturity of balances as of December 31, 2023.

[2] Relates to the sale of the Company’s Ecuador subsidiary. See Note 8

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