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Postretirement and Other Benefits
 3 Months Ended
Mar. 31, 2024
Retirement Benefits [Abstract]  
Postretirement and Other Benefits Postretirement and Other Benefits
The Company sponsors a number of different defined contribution retirement plans, alternative retirement plans and/or defined benefit pension plans across its operations. Defined benefit pension plans are sponsored in the United States, France, United Kingdom, Germany, Italy, Netherlands, and Canada and OPEB benefits related to post- retirement healthcare and life insurance are sponsored in the United States, Germany, and Canada. 

Pension and Other Benefits

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 

The components of net pension cost (benefit) other than the service cost component are included in Other income (expense), net in the unaudited Condensed Consolidated Statements of Loss.
The Company's cost under the qualified defined contribution retirement plans was $3.5 million and $4.0 million, respectively, for the three months ended March 31, 2024 and 2023