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Pension and Other Postretirement Benefits - Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
plan
Dec. 31, 2024
USD ($)
plan
Pension Benefits (Underfunded)    
Pension and Other Postretirement Benefits    
Actuarial gain (loss), attributable to higher salary increases than expected and lump sums paid $ (6.1) $ (2.5)
Actuarial (loss) gain, attributable to change in discount rates (4.0) 7.4
Actuarial gain attributable to the updated demographic assumptions 5.6  
Actuarial gain attributable to the change in the lump sum conversion rates 2.4  
Actuarial (loss) gain, attributable to change in lump sum interest rates   (4.1)
Pension Benefits (Overfunded)    
Pension and Other Postretirement Benefits    
Actuarial (loss) gain, attributable to change in discount rates $ 0.3 $ 1.9
Number of defined benefit plans | plan 1 1
Postemployment Retirement Benefits    
Pension and Other Postretirement Benefits    
Actuarial gain (loss), attributable to higher salary increases than expected and lump sums paid $ (0.5)  
Actuarial (loss) gain, attributable to change in discount rates (0.3) $ 0.6
Actuarial gain attributable to the updated demographic assumptions $ 0.9  
Actuarial gain (loss), attributable to updated health care trend rates   $ (0.3)
Minimum    
Pension and Other Postretirement Benefits    
Age limit 50 years  
Maximum    
Pension and Other Postretirement Benefits    
Age limit 65 years