v3.21.1
INVESTMENTS - Related Party Transactions (Details) - Equity Method Investment, Nonconsolidated Investee(s) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Related Party Transactions      
Receivable due from related party $ 4.6   $ 6.9
Other revenues, Related party 0.6 $ 5.7  
Film exhibition costs, Related party 0.3 2.4  
Operating expenses (credits), Related Party $ 0.4 $ 1.3