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Pension and Postretirement Benefits
 3 Months Ended
Mar. 31, 2022
Retirement Benefits [Abstract]  
Pension and Postretirement Benefits Pension and Postretirement Benefits
Components of the net periodic cost for pension and postretirement benefits for the three months ended March 31, 2022 and 2021 were as follows:
U.S.
Defined Benefit Plans		Non-U.S.
Defined Benefit Plans		Postretirement
Medical Benefits
(Amounts in millions) 202220212022202120222021
Service cost$6.3 $6.8 $1.6 $1.8 $— $— 
Interest cost3.4 3.1 1.7 1.4 0.1 0.1 
Expected return on plan assets(6.5)(6.5)(1.6)(1.5)— — 
Amortization of prior service cost0.1 — 0.1 0.1 0.1 — 
Amortization of unrecognized net loss (gain) 1.0 1.9 0.7 1.1 — — 
Net periodic cost recognized$4.3 $5.3 $2.5 $2.9 $0.2 $0.1 

The components of net periodic cost for pension and postretirement benefits other than service costs are included in other income (expense), net in our condensed consolidated statements of income.