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Pension and Other Postretirement Benefits - Narrative (Details)
$ in Millions
 6 Months Ended
Jun. 30, 2025
USD ($)
Pension Benefits  
Defined Benefit Plan Disclosure [Line Items]  
Employer contributions (less than) $ 2.6
Expected future employer contributions, remainder of fiscal year 7.0
Other Postretirement Benefits  
Defined Benefit Plan Disclosure [Line Items]  
Employer contributions (less than) 0.2
Expected future employer contributions, remainder of fiscal year $ 0.2