Annual report [Section 13 and 15(d), not S-K Item 405]

SEGMENT INFORMATION - Financial Information by Geographic Area (Details)

v3.25.4
SEGMENT INFORMATION - Financial Information by Geographic Area (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 6,074.5 $ 5,681.1 $ 5,265.2
Percentage of operating revenues 100.00% 100.00% 100.00%
Long-lived assets   $ 10,452.0 $ 10,398.8
Percentage of consolidated long-lived assets   100.00% 100.00%
U.S.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 4,660.8 $ 4,326.8 $ 4,036.2
Percentage of operating revenues 77.00% 76.00% 77.00%
Long-lived assets   $ 7,255.1 $ 7,378.9
Percentage of consolidated long-lived assets   69.00% 71.00%
Australia      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 318.1 $ 309.1 $ 317.6
Percentage of operating revenues 5.00% 5.00% 6.00%
Long-lived assets   $ 1,644.3 $ 1,546.1
Percentage of consolidated long-lived assets   16.00% 15.00%
Brazil      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Long-lived assets   $ 560.1 $ 513.1
Percentage of consolidated long-lived assets   5.00% 5.00%
U.K.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 325.9 $ 302.8 $ 265.8
Percentage of operating revenues 5.00% 5.00% 5.00%
Long-lived assets   $ 290.2 $ 281.7
Percentage of consolidated long-lived assets   3.00% 3.00%
Canada      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 271.4 $ 264.9 $ 259.6
Percentage of operating revenues 4.00% 5.00% 5.00%
Long-lived assets   $ 207.9 $ 210.6
Percentage of consolidated long-lived assets   2.00% 2.00%
Other      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Operating revenue $ 498.3 $ 477.5 $ 386.0
Percentage of operating revenues 9.00% 9.00% 7.00%
Long-lived assets   $ 494.4 $ 468.4
Percentage of consolidated long-lived assets   5.00% 4.00%