v3.24.2
Pension and Other Postemployment Benefits (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Defined Benefit Pension Plans [Member]    
Components of Net Periodic Benefit Expense    
Service cost $ 1.1 $ 1.7
Interest cost 2.9 5.1
Expected return on plan assets (0.4) (0.5)
Amortization of prior service cost 0.2 0.2
Amortization of actuarial losses 0.4 0.4
Net periodic benefit expense 4.2 6.9
Employer contributions 0.1 0.3
Postemployment Arrangements [Member]    
Components of Net Periodic Benefit Expense    
Service cost 1.5 1.7
Interest cost 3.0 2.8
Expected return on plan assets 0.0 0.0
Amortization of prior service cost 2.2 1.9
Amortization of actuarial losses 0.1 0.0
Net periodic benefit expense $ 6.8 $ 6.4