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POST-EMPLOYMENT PLANS - Schedule of Change in the Projected Benefit Obligation and Plan Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of period $ 150.4    
Fair value of plan assets at end of period 140.7 $ 150.4  
Pension Benefits      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Projected benefit obligation at beginning of period 151.2 127.5  
Net acquisitions/(disposals) (0.5) 0.0  
Service costs 3.0 2.9 $ 3.3
Interest cost 5.2 5.2 2.7
Actuarial loss (gain) (2.7) 14.4  
Curtailment (1.2) (0.6)  
Contributions paid 0.2 0.3  
Benefits paid (3.3) (2.7)  
Settlements (2.2) (0.7)  
Foreign currency translation (9.3) 4.9  
Projected benefit obligation at end of period 140.4 151.2 127.5
Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of period 150.4 134.6  
Actual return on plan assets 1.5 11.7  
Benefits paid (3.3) (2.7)  
Settlements (2.2) (0.7)  
Employer contributions 3.5 2.5  
Contributions paid 0.2 0.3  
Foreign currency translation (9.4) 4.7  
Fair value of plan assets at end of period 140.7 150.4 134.6
Funded/(unfunded) status 0.3 (0.8)  
Pension Benefits | Other non-current assets      
Change in Fair Value of Plan Assets [Roll Forward]      
Funded/(unfunded) status 26.5 27.7  
Pension Benefits | Other non-current liabilities      
Change in Fair Value of Plan Assets [Roll Forward]      
Funded/(unfunded) status (26.2) (28.5)  
Other Benefits      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Projected benefit obligation at beginning of period 1.8 2.0  
Net acquisitions/(disposals) 0.0 0.0  
Service costs 0.0 0.0 0.0
Interest cost 0.1 0.1 0.1
Actuarial loss (gain) (0.6) (0.2)  
Curtailment 0.0 0.0  
Contributions paid 0.0 0.0  
Benefits paid (0.1) (0.1)  
Settlements 0.0 0.0  
Foreign currency translation 0.0 0.0  
Projected benefit obligation at end of period 1.2 1.8 2.0
Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of period 0.0 0.0  
Actual return on plan assets 0.0 0.0  
Benefits paid (0.1) (0.1)  
Settlements 0.0 0.0  
Employer contributions 0.1 0.1  
Contributions paid 0.0 0.0  
Foreign currency translation 0.0 0.0  
Fair value of plan assets at end of period 0.0 0.0 $ 0.0
Funded/(unfunded) status (1.2) (1.8)  
Other Benefits | Other non-current assets      
Change in Fair Value of Plan Assets [Roll Forward]      
Funded/(unfunded) status 0.0 0.0  
Other Benefits | Other non-current liabilities      
Change in Fair Value of Plan Assets [Roll Forward]      
Funded/(unfunded) status $ (1.2) $ (1.8)