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Pensions
 6 Months Ended
Jun. 30, 2023
Retirement Benefits [Abstract]  
Pensions PENSIONS
The following table summarizes the components of Net periodic pension (benefit) expense: 
 U.S. Benefit PlanNon-U.S. Benefit Plan
 Three Months Ended
June 30,		Six Months Ended
June 30,		Three Months Ended
June 30,		Six Months Ended
June 30,
(in millions)20232022202320222023202220232022
Interest cost$1.5 $1.0 3.0 2.1 $0.4 $0.2 0.8 0.4 
Amortization of actuarial loss0.3 0.6 0.6 1.1 0.3 0.1 0.5 0.3 
Amortization of prior service cost— — — — — 0.1 — 0.1 
Expected return on plan assets(1.9)(1.8)(3.8)(3.5)(0.5)(0.5)(1.0)(1.0)
Net periodic pension (benefit) expense$(0.1)$(0.2)$(0.2)$(0.3)$0.2 $(0.1)$0.3 $(0.2)
The items that comprise Net periodic pension (benefit) expense, are included as a component of Other expense (income), net on the Condensed Consolidated Statements of Operations.