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Pensions and Other Postretirement Benefits (Tables)
3 Months Ended
Mar. 31, 2022
Retirement Benefits [Abstract]  
Components of net annual benefit cost (income) The following table summarizes the components of net annual benefit cost (income):
(in Millions)Three Months Ended March 31,
PensionsOther Benefits
2022202120222021
Service cost$1.1 $1.3 $— $— 
Interest cost7.3 6.1 0.1 0.1 
Expected return on plan assets(7.8)(7.1)— — 
Amortization of prior service cost (credit)— 0.1 — — 
Recognized net actuarial and other (gain) loss4.5 5.9 (0.2)(0.2)
Recognized loss due to settlement (1)
0.4 — — — 
Net periodic benefit cost (income)$5.5 $6.3 $(0.1)$(0.1)