v3.22.4
THE COMPANY AND SIGNIFICANT ACCOUNTING POLICIES - Impairment narratives (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2022
USD ($)
item
Dec. 31, 2021
USD ($)
item
Dec. 31, 2020
USD ($)
item
Impairment losses      
Impairment of long-lived assets $ 133.1 $ 77.2 $ 177.9
Impairment of definite-lived intangible assets     14.4
Impairment of equity method investments recorded in equity in earnings (loss) of non-consolidated entities     8.6
Impairment of other assets recorded in investment expense (income)     15.9
Impairment of indefinite-lived intangible assets 0.0 0.0 15.2
Domestic theatres      
Impairment losses      
Impairment of definite-lived intangible assets     14.4
Oden trade name      
Impairment losses      
Impairment of indefinite-lived intangible assets     12.5
Nordic trade names      
Impairment losses      
Impairment of indefinite-lived intangible assets     2.7
U.S.      
Impairment losses      
Impairment of long-lived assets $ 73.4 $ 61.3 $ 152.2
Tangible asset impairment, number of theatres | item 68 77 101
Tangible asset impairment, number of screens | item 817 805 1,139
International markets      
Impairment losses      
Impairment of long-lived assets $ 59.7 $ 15.9 $ 25.4
Tangible asset impairment, number of theatres | item 53 14 37
Tangible asset impairment, number of screens | item 456 118 340