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Defined Benefit and Postretirement Benefits (Tables)
3 Months Ended
Mar. 31, 2023
Retirement Benefits [Abstract]  
Schedule of Defined Benefit Plans Disclosures
For all plans, the components of net periodic benefit for the three months ended March 31, 2023, and 2022 are as follows:
PensionPostretirement
(in millions)2023202220232022
Service cost$1.3 $1.3 $— $0.1 
Interest cost9.5 5.2 0.2 0.2 
Expected return on plan assets(12.2)(13.9)— — 
Amortization of prior service cost— — (0.2)(0.3)
Amortization of net (gain) loss3.8 4.8 (0.2)— 
Settlement loss1.8 — — — 
Curtailment loss1.1 — — — 
Net periodic loss (benefit)$5.3 $(2.6)$(0.2)$— 
Schedule of Contributions By Benefit Plan Type
We expect to contribute the following to our pension and postretirement plans:
(in millions)PensionPostretirement
Expected contributions in 2023$20.0 $2.3 
Amounts contributed during the three months ended March 31, 2023$0.3 $1.5