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Schedule of Defined Benefit Plans Disclosures (Tables)
 12 Months Ended
Dec. 31, 2024
Retirement Benefits [Abstract]  
Schedule of Defined Benefit Plans Disclosures
Pension and Postretirement Benefit Obligation
The change in the benefit obligation, the change in plan assets, the funded status and amounts recognized for the Domestic Pension Plan, the significant foreign pension plans and the domestic postretirement benefit plan are listed below.
 Domestic
Pension Plan		Foreign
Pension Plans		Domestic Postretirement
Benefit Plan
 
202420232024202320242023
Benefit Obligation
Projected benefit obligation as of January 1$71.8 $75.0 $354.8 $334.2 $16.1 $17.9 
Service cost0.0 0.0 3.4 2.2 0.0 0.0 
Interest cost3.7 4.0 14.8 15.6 0.8 0.9 
Benefits paid(7.3)(8.2)(19.5)(18.9)(5.2)(5.1)
Plan participant contributions0.0 0.0 0.0 0.0 1.8 1.8 
Actuarial (gains) losses10.1 1.0 (27.7)6.8 1.2 0.6 
Settlements0.0 0.0 (1.9)(2.5)0.0 0.0 
Plan amendments0.0 0.0 0.0 0.0 0.0 0.0 
Foreign currency effect0.0 0.0 (7.8)17.4 0.0 0.0 
      
Projected benefit obligation as of December 31$78.3 $71.8 $316.1 $354.8 $14.7 $16.1 
      
Fair Value of Plan Assets
Fair value of plan assets as of January 1$69.0 $70.5 $359.7 $297.1 $0.0 $0.0 
Actual return on plan assets1.6 6.7 (24.8)5.3 0.0 0.0 
Employer contributions0.0 0.0 9.0 61.4 3.4 3.3 
Plan participant contributions0.0 0.0 0.0 0.0 1.8 1.8 
Benefits paid(7.3)(8.2)(19.5)(18.9)(5.2)(5.1)
Settlements 0.0 0.0 (1.9)(2.5)0.0 0.0 
Foreign currency effect0.0 0.0 (6.5)17.3 0.0 0.0 
     
Fair value of plan assets as of December 31$63.3 $69.0 $316.0 $359.7 $0.0 $0.0 
      
Funded status of the plans at December 31$(15.0)$(2.8)$(0.1)$4.9 $(14.7)$(16.1)
 Domestic
Pension Plan		Foreign
Pension Plans		Domestic Postretirement
Benefit Plan
December 31,202420232024202320242023
Amounts recognized in Consolidated Balance Sheets
Non-current asset$0.0 $0.0 $51.0 $59.8 $0.0 $0.0 
Current liability0.0 0.0 (6.7)(7.0)(1.7)(1.9)
Non-current liability(15.0)(2.8)(44.4)(47.9)(13.0)(14.2)
      
Net liability recognized$(15.0)$(2.8)$(0.1)$4.9 $(14.7)$(16.1)
      
Accumulated benefit obligation$78.3 $71.8 $312.6 $351.2 
    
Amounts recognized in Accumulated Other
Comprehensive Loss, net
Net actuarial loss$50.8 $41.1 $161.1 $157.7 $2.9 $1.7 
Prior service cost (credit)0.0 0.0 0.3 0.4 0.0 0.0 
      
Total amount recognized$50.8 $41.1 $161.4 $158.1 $2.9 $1.7 

Actuarial losses of $10.1 for the Domestic Pension Plan are attributed to a decrease in the discount rate from 5.40% as of December 31, 2023 to 4.60% as of December 31, 2024 and changes in demographic experience. Actuarial gains of $27.7 for the foreign pension plans are attributed to an increase in the weighted-average discount rate from 4.32% as of December 31, 2023 to 5.13% as of December 31, 2024 and changes in demographic experience.
 Domestic
Pension Plan		Foreign Pension Plans
December 31,2024202320242023
Pension plans with an accumulated benefit obligation in excess of plan assets
Aggregate projected benefit obligation$78.3 $71.8 $51.1 $55.8 
Aggregate accumulated benefit obligation78.3 71.8 48.9 53.7 
Aggregate fair value of plan assets63.3 69.0 — 1.0 
 Domestic
Pension Plan		Foreign Pension Plans
December 31,2024202320242023
Pension plans with a projected benefit obligation in excess of plan assets
Aggregate projected benefit obligation$78.3 $71.8 $51.1 $66.0 
Aggregate accumulated benefit obligation78.3 71.8 48.9 63.5 
Aggregate fair value of plan assets63.3 69.0 — 11.1