GOODWILL AND INTANGIBLE ASSETS - Additional information of intangible assets acquired (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Amortizable Intangible Assets:
Gross Carrying Amount	$ 9.6	$ 26.5
Accumulated Amortization	(7.3)	(22.2)
Non-amortizing Intangible Assets:
Total, unamortizable	144.4	143.0
Management contracts
Amortizable Intangible Assets:
Gross Carrying Amount	1.7	9.3
Accumulated Amortization	$ (1.6)	(9.2)
Management contracts | Minimum
Amortizable Intangible Assets:
Remaining Useful Life	2 years
AMCE
Non-amortizing Intangible Assets:
Trade names	$ 104.4	104.4
Carmike | Loews' trade name
Amortizable Intangible Assets:
Gross Carrying Amount		9.3
Accumulated Amortization		(8.0)
Odeon
Non-amortizing Intangible Assets:
Trade names	37.3	35.8
Nordic.
Non-amortizing Intangible Assets:
Trade names	$ 2.7	2.8
Starplex Cinemas | Loews' trade name
Amortizable Intangible Assets:
Remaining Useful Life	3 years
Gross Carrying Amount	$ 7.9	7.9
Accumulated Amortization	$ (5.7)	$ (5.0)