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Long-term Employee Benefits
6 Months Ended
Jun. 30, 2022
Retirement Benefits [Abstract]  
Long-term Employee Benefits LONG-TERM EMPLOYEE BENEFITS
Components of Net Periodic Benefit Cost
The following table sets forth the components of net periodic benefit costs for the three and six months ended June 30, 2022 and 2021:
Three Months Ended June 30,Six Months Ended June 30,
2022202120222021
Components of net periodic benefit cost:
Net periodic benefit cost:
Service cost$1.6 $2.0 $3.3 $3.8 
Interest cost2.5 1.9 4.9 3.9 
Expected return on plan assets(3.1)(3.5)(6.3)(6.9)
Amortization of actuarial losses, net0.8 1.3 1.7 2.5 
Amortization of prior service cost, net(0.1)— (0.1)— 
Net periodic benefit cost$1.7 $1.7 $3.5 $3.3 
All non-service components of net periodic benefit cost are recorded in other expense (income), net within the accompanying condensed consolidated statements of operations.