Annual report pursuant to Section 13 and 15(d)

SEGMENT INFORMATION - Financial Information by Geographic Area (Details)

v3.22.0.1
SEGMENT INFORMATION - Financial Information by Geographic Area (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 4,923.9 $ 4,127.5 $ 3,507.6
Percentage of operating revenues 100.00% 100.00% 100.00%
Long-lived assets $ 9,920.0 $ 7,133.5  
Percentage of consolidated long-lived assets 100.00% 100.00%  
U.S.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 3,822.2 $ 3,172.9 $ 2,502.3
Percentage of operating revenues 78.00% 77.00% 71.00%
Long-lived assets $ 7,035.9 $ 4,097.6  
Percentage of consolidated long-lived assets 71.00% 57.00%  
Australia      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 336.9 $ 282.6 $ 289.9
Percentage of operating revenues 7.00% 7.00% 8.00%
Long-lived assets $ 1,901.9 $ 2,021.2  
Percentage of consolidated long-lived assets 19.00% 28.00%  
U.K.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 252.0 $ 222.9 $ 239.6
Percentage of operating revenues 5.00% 5.00% 7.00%
Long-lived assets $ 280.5 $ 255.7  
Percentage of consolidated long-lived assets 3.00% 4.00%  
Canada      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 250.0 $ 212.6 $ 210.9
Percentage of operating revenues 5.00% 5.00% 6.00%
Long-lived assets $ 193.3 $ 177.1  
Percentage of consolidated long-lived assets 2.00% 3.00%  
Other      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 262.8 $ 236.5 $ 264.9
Percentage of operating revenues 5.00% 6.00% 8.00%
Long-lived assets $ 508.4 $ 581.9  
Percentage of consolidated long-lived assets 5.00% 8.00%