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Pension and Post-Employment Benefits (Tables)
6 Months Ended
Jun. 30, 2022
Plan Net Pension Credit
The net periodic benefit of these plans is shown in the following table:
 
    
Three months Ended
June 30
    
Six Months Ended
June 30
 
(in millions)
  
2022
    
2021
    
2022
    
2021
 
Service cost
   $ (0.6    $ (0.5    $ (1.2    $ (0.9
Interest cost on projected benefit obligation
     (2.6      (1.9      (5.4      (3.8
Expected return on plan assets
     4.2        3.9        8.5        7.8  
Amortization of prior service cost
     (0.2      —          (0.3      (0.1
Amortization of actuarial net losses
     (0.2      (0.6      (0.3      (1.3
    
 
 
    
 
 
    
 
 
    
 
 
 
Net periodic benefit
   $ 0.6      $ 0.9      $ 1.3      $ 1.7