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Pensions and Other Postretirement Benefits (Tables)
6 Months Ended
Jun. 30, 2023
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 June 30,Six Months Ended June 30,
PensionsOther BenefitsPensionsOther Benefits
20232022202320222023202220232022
Service cost$0.7 $1.2 $— $— $1.4 $2.3 $— $— 
Interest cost12.5 7.2 0.2 0.1 25.1 14.5 0.3 0.2 
Expected return on plan assets(11.8)(7.7)— — (23.7)(15.5)— — 
Amortization of prior service cost (credit)— 0.1 — — — 0.1 — — 
Recognized net actuarial and other (gain) loss3.9 4.5 (0.2)(0.2)7.9 9.0 (0.4)(0.4)
Recognized loss due to settlement (1)
— — — — — 0.4 — — 
Net periodic benefit cost (income)$5.3 $5.3 $ $(0.1)$10.7 $10.8 $(0.1)$(0.2)
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(1)Settlement charge relates to the U.S. nonqualified defined benefit pension plan.