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Postretirement and Other Benefits (Tables)
3 Months Ended
Mar. 31, 2024
Retirement Benefits [Abstract]  
Schedule of Components of Net Pension Cost (Benefit)
The components of net pension cost (benefit) during the three months ended March 31, 2024 and 2023 were as follows (in millions):
Pension BenefitsOther Post-employment Plans
 U.S.Non-U.S.U.S.Non-U.S.
Three Months Ended March 31,
 20242023202420232024202320242023
Service cost$0.4 $0.4 $0.3 $0.3 $— $— $0.3 $0.3 
Interest cost4.2 4.4 2.2 2.1 0.3 0.3 — — 
Expected return on plan assets(5.6)(5.5)(1.5)(1.1)— — — — 
Amortizations and other— — — 0.1 — — — — 
Net pension cost (benefit)$(1.0)$(0.7)$1.0 $1.4 $0.3 $0.3 $0.3 $0.3