v3.24.2
OPERATING REVENUES - OTHER OPERATING REVENUES (Details) - Other operating revenues - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Disaggregation of Operating Revenues        
Other operating revenues $ 28.6 $ 20.0 $ 104.3 $ 49.9
Late payment charges        
Disaggregation of Operating Revenues        
Other operating revenues 14.1 16.2 28.7 33.4
Alternative revenues        
Disaggregation of Operating Revenues        
Other operating revenues 12.3 2.1 72.8 13.9
Other        
Disaggregation of Operating Revenues        
Other operating revenues $ 2.2 $ 1.7 $ 2.8 $ 2.6