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Pension (Tables)
3 Months Ended
Mar. 31, 2023
Retirement Benefits [Abstract]  
Components of net periodic benefit cost (income) Components of net periodic benefit cost were as follows:
Three Months Ended March 31,
(In millions)20232022
Service cost$0.3 $0.5 
Interest cost3.2 1.9 
Expected return on plan assets(4.3)(3.9)
Amortization of net actuarial losses1.3 2.0 
Net periodic cost$0.5 $0.5