v3.19.3.a.u2
INCOME TAXES - Income tax loss carryforward (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income tax loss carryforward        
Valuation allowance $ 312.8 $ 323.6 $ 338.4 $ 112.2
Austria theatres        
Income tax loss carryforward        
Valuation allowance 28.6      
Federal        
Income tax loss carryforward        
Income tax loss carryforward 380.9      
Income tax loss carryforward subject to expiration 290.9      
Income tax loss carryforward not subject to expiration 90.0      
Foreign        
Income tax loss carryforward        
Income tax loss carryforward 487.2      
Foreign | Expiration between 2018 and 2028        
Income tax loss carryforward        
Income tax loss carryforward 6.2      
State        
Income tax loss carryforward        
Income tax loss carryforward 380.4      
Income tax loss carryforward subject to expiration 374.0      
Income tax loss carryforward not subject to expiration $ 6.4      
State | Minimum        
Income tax loss carryforward        
Period of limitations on use 1 year      
State | Maximum        
Income tax loss carryforward        
Period of limitations on use 20 years