Supplemental Information to Condensed Consolidated Statements of Cash Flows (Detail) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Schedule Of Cash Flow Supplemental [Line Items]
Cash paid for income taxes, net		$ 2.9	$ 0.9
Noncash investing and financing activities:
Change in accounts payable and accrued expenses for the acquisition of theatre properties and equipment	[1]	1.4	(5.1)
Theatre and other assets acquired under finance leases		27.2	0.0
NCM
Noncash investing and financing activities:
Interest expense - NCM		(5.5)	(5.7)
Cinemark Partners Second [Member]
Schedule Of Cash Flow Supplemental [Line Items]
Cash paid for interest by CUSA		45.7	40.6
Cinemark Holdings Inc [Member]
Schedule Of Cash Flow Supplemental [Line Items]
Cash paid for interest by Holdings	[2]	$ 56.1	$ 51.0

[1] Additions to theatre properties and equipment included in accounts payable as of March 31, 2024 and December 31, 2023 were $8.0 and $6.6, respectively.

[2] Includes the cash interest paid by CUSA.