v3.10.0.1
OPERATING SEGMENT (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
segment
Sep. 30, 2017
USD ($)
Dec. 31, 2017
USD ($)
OPERATING SEGMENT          
Number of reportable segments | segment     2    
Revenue from Contract with Customer, Excluding Assessed Tax $ 1,221.4 $ 1,178.7 $ 4,047.5 $ 3,662.4  
Long-term assets, net 8,676.5   8,676.5   $ 8,933.5
Adjusted EBITDA 142.4 147.4 665.1 534.3  
Capital expenditures 133.8 149.7 374.9 467.7  
U.S.          
OPERATING SEGMENT          
Revenue from Contract with Customer, Excluding Assessed Tax 895.6 845.7 3,007.1 2,745.2  
Long-term assets, net 5,775.9   5,775.9   5,866.8
Adjusted EBITDA 105.0 107.6 535.6 420.6  
Capital expenditures 92.9 126.9 264.9 416.6  
International markets          
OPERATING SEGMENT          
Revenue from Contract with Customer, Excluding Assessed Tax 325.8 333.0 1,040.4 917.2  
Long-term assets, net 2,900.6   2,900.6   $ 3,066.7
Adjusted EBITDA 37.4 39.8 129.5 113.7  
Capital expenditures 40.9 22.8 110.0 51.1  
UK          
OPERATING SEGMENT          
Revenue from Contract with Customer, Excluding Assessed Tax 123.4 127.8 379.7 366.9  
Sweden          
OPERATING SEGMENT          
Revenue from Contract with Customer, Excluding Assessed Tax 43.1 47.9 137.0 89.2  
Italy          
OPERATING SEGMENT          
Revenue from Contract with Customer, Excluding Assessed Tax 29.5 33.2 124.1 125.9  
Spain          
OPERATING SEGMENT          
Revenue from Contract with Customer, Excluding Assessed Tax 47.9 47.4 139.7 132.3  
Germany          
OPERATING SEGMENT          
Revenue from Contract with Customer, Excluding Assessed Tax 22.3 26.6 79.6 86.6  
Finland          
OPERATING SEGMENT          
Revenue from Contract with Customer, Excluding Assessed Tax 22.2 21.9 72.3 41.5  
Ireland          
OPERATING SEGMENT          
Revenue from Contract with Customer, Excluding Assessed Tax 10.3 10.2 29.6 28.2  
Other foreign countries          
OPERATING SEGMENT          
Revenue from Contract with Customer, Excluding Assessed Tax $ 27.1 $ 18.0 $ 78.4 $ 46.6