v3.26.3
Regulatory and Rate Matters - Schedule of Incremental Increase in Revenue Requirement (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 01, 2026
Sep. 30, 2026
Regulated Operations [Abstract]    
Capital investments $ 28.7  
SRP deferred operating and maintenance costs 28.7  
UTM regulatory asset 20.5 $ 20.5
DCRF 77.9  
Capital investments 13.1  
UTM regulatory asset 13.9 $ 13.9
TCOS $ 27.0