Annual report pursuant to Section 13 and 15(d)

SEGMENT INFORMATION - Financial Information by Geographic Area (Details)

v3.24.0.1
SEGMENT INFORMATION - Financial Information by Geographic Area (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 5,265.2 $ 5,122.2 $ 4,923.9
Percentage of operating revenues 100.00% 100.00% 100.00%
Long-lived assets $ 10,923.7 $ 10,177.4  
Percentage of consolidated long-lived assets 100.00% 100.00%  
U.S.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 4,036.2 $ 3,983.1 $ 3,822.2
Percentage of operating revenues 77.00% 78.00% 78.00%
Long-lived assets $ 7,460.9 $ 7,448.4  
Percentage of consolidated long-lived assets 68.00% 73.00%  
Australia      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 317.6 $ 325.2 $ 336.9
Percentage of operating revenues 6.00% 6.00% 7.00%
Long-lived assets $ 1,732.3 $ 1,718.6  
Percentage of consolidated long-lived assets 16.00% 17.00%  
U.K.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 265.8 $ 265.5 $ 252.0
Percentage of operating revenues 5.00% 5.00% 5.00%
Long-lived assets $ 283.9 $ 263.6  
Percentage of consolidated long-lived assets 3.00% 3.00%  
Canada      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 259.6 $ 256.1 $ 250.0
Percentage of operating revenues 5.00% 5.00% 5.00%
Long-lived assets $ 224.2 $ 200.4  
Percentage of consolidated long-lived assets 2.00% 2.00%  
Other      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 386.0 $ 292.3 $ 262.8
Percentage of operating revenues 7.00% 6.00% 5.00%
Long-lived assets $ 1,222.4 $ 546.4  
Percentage of consolidated long-lived assets 11.00% 5.00%