v3.26.3
SHORT-TERM DEBT AND LINES OF CREDIT - REVOLVING CREDIT FACILITIES (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Revolving credit facility    
Commercial paper outstanding $ 68.5 $ 680.6
Available capacity under existing credit facility 730.5  
Credit facility maturing August 2030    
Revolving credit facility    
Revolving credit facility 800.0  
Commercial paper    
Revolving credit facility    
Commercial paper outstanding 68.5 $ 680.6
Letter of Credit    
Revolving credit facility    
Letters of credit issued inside credit facility $ 1.0