v3.19.3.a.u2
REVENUE RECOGNITION - Disaggregation of revenue (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disaggregation of Revenue [Line Items]                      
Revenue $ 1,447.7 $ 1,316.8 $ 1,506.1 $ 1,200.4 $ 1,413.3 $ 1,221.4 $ 1,442.5 $ 1,383.6 $ 5,471.0 $ 5,460.8 $ 5,079.2
Admissions                      
Disaggregation of Revenue [Line Items]                      
Revenue                 3,301.3 3,385.0 3,229.5
Food and beverage                      
Disaggregation of Revenue [Line Items]                      
Revenue                 1,719.6 1,671.5 1,548.4
Total other theatre                      
Disaggregation of Revenue [Line Items]                      
Revenue                 450.1 404.3 $ 301.3
Advertising                      
Disaggregation of Revenue [Line Items]                      
Revenue                 143.0 142.2  
Other theatre                      
Disaggregation of Revenue [Line Items]                      
Revenue                 307.1 262.1  
Products and services transferred at point in time                      
Disaggregation of Revenue [Line Items]                      
Revenue                 5,071.0 5,218.7  
Products and services transferred over time                      
Disaggregation of Revenue [Line Items]                      
Revenue                 $ 400.0 $ 242.1