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Retirement Benefits - Schedule of Reconciliation of Changes in Benefit Obligations and Fair Value of Plan Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
CHANGE IN PLAN ASSETS      
Fair value of plan assets at January 1 $ 49.3    
Fair value of plan assets at December 31 52.4 $ 49.3  
Pension Benefits      
CHANGE IN BENEFIT OBLIGATION      
Other 0.0    
Pension Benefits | U.S.      
CHANGE IN BENEFIT OBLIGATION      
Obligation at January 1 8.3 8.9  
Service cost 0.1 0.1 $ 0.1
Interest cost 0.4 0.4 0.4
Benefits paid (0.6) (0.8)  
Actuarial (gain) loss 0.3 (0.3)  
Currency translation 0.0 0.0  
Settlements 0.0 0.0  
Curtailments 0.0 0.0  
Acquisition/Divestiture 0.0 0.0  
Participant contributions 0.0 0.0  
Other   0.0  
Obligation at December 31 8.5 8.3 8.9
CHANGE IN PLAN ASSETS      
Fair value of plan assets at January 1 4.1 4.3  
Actual return on plan assets (0.1) 0.2  
Employer contributions 0.6 0.4  
Benefits paid (0.6) (0.8)  
Currency translation 0.0 0.0  
Settlements 0.0 0.0  
Participant contributions 0.0 0.0  
Other 0.0 0.0  
Fair value of plan assets at December 31 4.0 4.1 4.3
Funded status at December 31 (4.5) (4.2)  
COMPONENTS ON THE CONSOLIDATED BALANCE SHEETS      
Other noncurrent assets 0.0 0.0  
Accrued expenses (0.8) (0.7)  
Other noncurrent liabilities (3.7) (3.5)  
Net asset (liability) at December 31 (4.5) (4.2)  
Pension Benefits | Non-U.S.      
CHANGE IN BENEFIT OBLIGATION      
Obligation at January 1 84.6 88.5  
Service cost 1.5 1.5 1.2
Interest cost 2.5 2.6 2.8
Benefits paid (2.9) (2.2)  
Actuarial (gain) loss (5.4) 0.3  
Currency translation 10.4 (5.3)  
Settlements (4.8) (2.5)  
Curtailments (0.4) 0.0  
Acquisition/Divestiture 0.0 0.9  
Participant contributions 0.9 0.9  
Other 0.0 (0.1)  
Obligation at December 31 86.4 84.6 88.5
CHANGE IN PLAN ASSETS      
Fair value of plan assets at January 1 45.1 41.7  
Actual return on plan assets 0.9 6.2  
Employer contributions 3.8 3.4  
Benefits paid (2.9) (2.2)  
Currency translation 5.3 (2.3)  
Settlements (4.8) (2.5)  
Participant contributions 0.9 0.9  
Other 0.1 (0.1)  
Fair value of plan assets at December 31 48.4 45.1 41.7
Funded status at December 31 (38.0) (39.5)  
COMPONENTS ON THE CONSOLIDATED BALANCE SHEETS      
Other noncurrent assets 3.8 2.1  
Accrued expenses (2.1) (1.8)  
Other noncurrent liabilities (39.7) (39.8)  
Net asset (liability) at December 31 (38.0) (39.5)  
Other Benefits      
CHANGE IN BENEFIT OBLIGATION      
Obligation at January 1 16.8 17.2  
Service cost 0.4 0.5 0.4
Interest cost 0.8 0.8 0.8
Benefits paid (0.8) (0.8)  
Actuarial (gain) loss 0.3 (0.7)  
Currency translation 0.2 (0.2)  
Settlements 0.0 0.0  
Curtailments 0.0 0.0  
Acquisition/Divestiture 0.0 0.0  
Participant contributions 0.0 0.0  
Other (0.1) 0.0  
Obligation at December 31 17.6 16.8 17.2
CHANGE IN PLAN ASSETS      
Fair value of plan assets at January 1 0.0 0.0  
Actual return on plan assets 0.0 0.0  
Employer contributions 0.8 0.8  
Benefits paid (0.8) (0.8)  
Currency translation 0.0 0.0  
Settlements 0.0 0.0  
Participant contributions 0.0 0.0  
Other 0.0 0.0  
Fair value of plan assets at December 31 0.0 0.0 $ 0.0
Funded status at December 31 (17.6) (16.8)  
COMPONENTS ON THE CONSOLIDATED BALANCE SHEETS      
Other noncurrent assets 0.0 0.0  
Accrued expenses (1.0) (1.1)  
Other noncurrent liabilities (16.6) (15.7)  
Net asset (liability) at December 31 $ (17.6) $ (16.8)