Annual report pursuant to Section 13 and 15(d)

SEGMENT INFORMATION - Financial Information by Geographic Area (Details)

v3.22.4
SEGMENT INFORMATION - Financial Information by Geographic Area (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 5,122.2 $ 4,923.9 $ 4,127.5
Percentage of operating revenues 100.00% 100.00% 100.00%
Long-lived assets $ 10,177.4 $ 9,920.0  
Percentage of consolidated long-lived assets 100.00% 100.00%  
U.S.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 3,983.1 $ 3,822.2 $ 3,172.9
Percentage of operating revenues 78.00% 78.00% 77.00%
Long-lived assets $ 7,448.4 $ 7,035.9  
Percentage of consolidated long-lived assets 73.00% 71.00%  
Australia      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 325.2 $ 336.9 $ 282.6
Percentage of operating revenues 6.00% 7.00% 7.00%
Long-lived assets $ 1,718.6 $ 1,901.9  
Percentage of consolidated long-lived assets 17.00% 19.00%  
U.K.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 265.5 $ 252.0 $ 222.9
Percentage of operating revenues 5.00% 5.00% 5.00%
Long-lived assets $ 263.6 $ 280.5  
Percentage of consolidated long-lived assets 3.00% 3.00%  
Canada      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 256.1 $ 250.0 $ 212.6
Percentage of operating revenues 5.00% 5.00% 5.00%
Long-lived assets $ 200.4 $ 193.3  
Percentage of consolidated long-lived assets 2.00% 2.00%  
Other      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 292.3 $ 262.8 $ 236.5
Percentage of operating revenues 6.00% 5.00% 6.00%
Long-lived assets $ 546.4 $ 508.4  
Percentage of consolidated long-lived assets 5.00% 5.00%