v3.21.2
INVESTMENTS - Related Party Transactions (Details) - Equity Method Investment, Nonconsolidated Investee(s) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Related Party Transactions          
Receivable due from related party $ 2.5   $ 2.5   $ 6.9
Other revenues, Related party 1.2   1.8 $ 5.7  
Film exhibition costs, Related party 0.4   0.7 3.2  
Operating expenses (income), Related Party $ (0.3) $ (0.4) $ 0.1 $ 0.9