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Postretirement and Other Benefits (Tables)
 9 Months Ended
Sep. 30, 2024
Retirement Benefits [Abstract]  
Schedule of Components of Net Pension Cost (Benefit)
The components of net pension cost (benefit) during the nine months ended September 30, 2024 and 2023 were as follows (in millions):
Pension Benefits
Other Post-employment Plans
 U.S.Non-U.S. U.S.Non-U.S.
Three Months Ended September 30,
 20242023202420232024202320242023
Service cost$0.4 $0.4 $0.3 $0.3 $— $— $0.3 $0.3 
Interest cost4.2 4.4 2.3 2.1 0.3 0.3 — — 
Expected return on plan assets(5.6)(5.5)(1.6)(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 
Pension BenefitsOther Post-employment Plans
 U.S.Non-U.S.U.S.Non-U.S.
Nine Months Ended September 30,
 20242023202420232024202320242023
Service cost$1.0 $1.2 $0.9 $0.8 $0.1 $0.1 $0.9 $0.9 
Interest cost12.7 13.3 6.7 6.3 0.8 0.9 0.1 0.1 
Expected return on plan assets(16.8)(16.6)(4.6)(3.3)— — — — 
Amortizations and other— — — 0.4 — — — — 
Net pension cost (benefit)
$(3.1)$(2.1)$3.0 $4.2 $0.9 $1.0 $1.0 $1.0