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Pensions and Other Postretirement Benefits
 9 Months Ended
Sep. 30, 2021
Retirement Benefits [Abstract]  
Pensions and Other Postretirement Benefits Pensions and Other Postretirement Benefits
The following table summarizes the components of net annual benefit cost (income):
(in Millions)Three Months Ended September 30,Nine Months Ended September 30,
PensionsOther BenefitsPensionsOther Benefits
20212020202120202021202020212020
Service cost$0.9 $1.4 $— $— $3.5 $3.6 $— $— 
Interest cost6.2 9.3 0.1 0.1 18.4 27.6 0.2 0.3 
Expected return on plan assets(7.0)(9.2)— — (21.1)(27.8)— — 
Amortization of prior service cost (credit)— — — — 0.1 0.1 — — 
Recognized net actuarial and other (gain) loss5.7 11.1 (0.3)(0.3)17.5 16.0 (0.7)(0.7)
Recognized loss due to settlement (1)
0.4 0.6 — — 0.4 0.6 — — 
Net periodic benefit cost (income)$6.2 $13.2 $(0.2)$(0.2)$18.8 $20.1 $(0.5)$(0.4)
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(1)Settlement charge relates to the U.S. nonqualified defined benefit pension plan.