LONG-TERM DEBT - Components of Long-Term Debt (Detail) - USD ($) $ in Millions		Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total long-term debt carrying value	[1]	$ 2,363.7
CUSA [Member]
Debt Instrument [Line Items]
Total long-term debt carrying value		1,903.7	$ 1,972.1
Less: Current portion		6.4	7.8
Less: Debt issuance costs, net of accumulated amortization and original issue discount		26.9	27.5
Long-term debt, less current portion, net of unamortized debt issuance costs and original issue discount		1,870.4	1,936.8
CNK [Member]
Debt Instrument [Line Items]
Cinemark USA, Inc. term loan due 2025		638.7	645.1
Other		0.0	7.0
Total long-term debt carrying value	[2]	2,363.7	2,432.1
Less: Current portion		464.3	7.8
Less: Debt issuance costs, net of accumulated amortization and original issue discount	[2]	29.0	33.0
Long-term debt, less current portion, net of unamortized debt issuance costs and original issue discount	[2]	1,870.4	2,391.3
4.50% Convertible Senior Notes Due 2025 | CNK [Member]
Debt Instrument [Line Items]
Senior notes		460.0	460.0
8.75% Senior Secured Notes Due 2025 | CNK [Member]
Debt Instrument [Line Items]
Senior notes		0.0	150.0
5.875% Senior Notes Due 2026 | CNK [Member]
Debt Instrument [Line Items]
Senior notes		0.0	405.0
5.250% Senior Notes Due 2028 | CNK [Member]
Debt Instrument [Line Items]
Senior notes		765.0	765.0
7.00% Senior Notes Due 2032 | CNK [Member]
Debt Instrument [Line Items]
Senior notes		$ 500.0	$ 0.0

[1] The only difference between the long-term debt maturity payments for Holdings, as presented above, and those for CUSA is the $460.0 of Holdings’ 4.50% Convertible Senior Notes that mature in 2025.

[2] The only differences between the long-term debt for Holdings, as presented above, and the long-term debt for CUSA are the $460.0 million 4.50% Convertible Senior Notes due 2025 and the related debt issuance costs.