v3.26.3
Pension Plan and Other Postretirement Benefits - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Pension Plan    
Pension Plan and Other Postretirement Benefits    
Employer cash contributions $ 2.2 $ 4.3
Estimated cash contributions in the current fiscal year 2.7  
Other Benefits    
Pension Plan and Other Postretirement Benefits    
Employer cash contributions 0.0 $ 0.0
Estimated cash contributions in the current fiscal year $ 0.0