v3.26.1
Pension and Other Postretirement Benefit (Narrative) (Details)
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
Jul. 17, 2025
plan
Jan. 01, 2025
USD ($)
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plans, estimated benefit payments, in current fiscal year $ 170.0    
Estimated employer contributions in current year $ 60.9    
Plans to terminate | plan   1  
Overfunded status of plan     $ 0.2