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RETIREMENT PLANS AND OTHER BENEFITS - Information Regarding Company's Plans (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Employee Benefits and Share-based Compensation $ 17.3 $ 17.9 $ 20.8
Other Benefits      
Change in benefit obligation:      
Benefit obligation at beginning of year 2.4 2.8  
Service cost 0.0 0.0 0.0
Interest cost 0.1 0.1 0.1
Settlements 0.0 0.0  
Curtailments 0.0 0.0  
Plan amendments 0.0 0.0  
Actuarial loss (gain) (0.1) (0.2)  
Benefits paid (0.3) (0.3)  
Foreign exchange effect 0.0 0.0  
Benefit obligation at end of year 2.1 2.4 2.8
Change in plan assets:      
Fair value of plan assets at beginning of year 0.0 0.0  
Actual return on plan assets 0.0 0.0  
Settlements 0.0 0.0  
Employer contribution 0.3 0.3  
Employee contribution 0.0 0.0  
Benefits paid (0.3) (0.3)  
Foreign exchange effect 0.0 0.0  
Fair value of plan assets at end of year 0.0 0.0 $ 0.0
Funded status (2.1) (2.4)  
Amounts recognized in the statement of financial position are included in:      
Other assets 0.0 0.0  
Other current liabilities 0.3 0.3  
Other non-current liabilities 1.8 2.1  
Total liabilities 2.1 2.4  
Amounts recognized in accumulated other comprehensive loss consist of:      
Actuarial net loss 0.0 0.2  
Prior service cost 0.0 0.0  
Total amounts recognized in accumulated other comprehensive loss $ 0.0 $ 0.2  
Weighted-average assumptions as of December 31:      
Discount rate 2.58% 2.12% 3.10%
Components of net periodic cost:      
Service cost $ 0.0 $ 0.0 $ 0.0
Interest cost 0.1 0.1 0.1
Expected return on plan assets 0.0 0.0 0.0
Recognition of prior service cost 0.0 0.0 0.0
Amortization of actuarial loss 0.0 0.0 0.0
Settlements 0.0 0.0 0.0
Other 0.0 0.0 0.0
Net periodic cost $ 0.1 0.1 0.1
U.S. Plan | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Basis of Serp Benefit Compensation Earned Years of Employment 5 years    
Accumulated benefit obligation at end of year $ 43.6 46.1  
Change in benefit obligation:      
Benefit obligation at beginning of year 46.1 43.1  
Service cost 0.0 0.0 0.2
Interest cost 1.1 1.4 1.6
Settlements 0.0 0.0  
Curtailments 0.0 0.0  
Plan amendments 0.0 0.0  
Actuarial loss (gain) (1.2) 4.0  
Benefits paid (2.4) (2.4)  
Foreign exchange effect 0.0 0.0  
Benefit obligation at end of year 43.6 46.1 43.1
Change in plan assets:      
Fair value of plan assets at beginning of year 0.0 0.0  
Actual return on plan assets 0.0 0.0  
Settlements 0.0 0.0  
Employer contribution 2.4 2.4  
Employee contribution 0.0 0.0  
Benefits paid (2.4) (2.4)  
Foreign exchange effect 0.0 0.0  
Fair value of plan assets at end of year 0.0 0.0 $ 0.0
Funded status (43.6) (46.1)  
Amounts recognized in the statement of financial position are included in:      
Other assets 0.0 0.0  
Other current liabilities 2.3 2.3  
Other non-current liabilities 41.3 43.8  
Total liabilities 43.6 46.1  
Amounts recognized in accumulated other comprehensive loss consist of:      
Actuarial net loss 5.6 7.1  
Prior service cost 0.0 0.0  
Total amounts recognized in accumulated other comprehensive loss $ 5.6 $ 7.1  
Weighted-average assumptions as of December 31:      
Discount rate 2.80% 2.50% 3.31%
Components of net periodic cost:      
Service cost $ 0.0 $ 0.0 $ 0.2
Interest cost 1.1 1.4 1.6
Expected return on plan assets 0.0 0.0 0.0
Recognition of prior service cost 0.0 0.0 0.0
Amortization of actuarial loss 0.3 0.0 (0.5)
Settlements 0.0 0.0 0.0
Other 0.0 0.0 (0.2)
Net periodic cost 1.4 1.4 1.1
Non-U.S. Plans | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligation at end of year 149.5 165.2  
Change in benefit obligation:      
Benefit obligation at beginning of year 167.3 153.0  
Service cost 1.1 1.5 1.9
Interest cost 2.3 2.8 3.6
Settlements 0.0 (1.3)  
Curtailments 0.0 (1.0)  
Plan amendments (0.2) 0.4  
Actuarial loss (gain) (10.0) 12.5  
Benefits paid (6.8) (6.5)  
Foreign exchange effect (2.4) 5.9  
Benefit obligation at end of year 151.3 167.3 153.0
Change in plan assets:      
Fair value of plan assets at beginning of year 139.9 122.1  
Actual return on plan assets 6.1 13.8  
Settlements 0.0 (1.3) (2.4)
Employer contribution 7.1 7.1  
Employee contribution 0.2 0.4  
Benefits paid (6.8) (6.5)  
Foreign exchange effect (1.3) 4.3  
Fair value of plan assets at end of year 145.2 139.9 $ 122.1
Funded status (6.1) (27.4)  
Amounts recognized in the statement of financial position are included in:      
Other assets 7.5 0.0  
Other current liabilities 0.5 0.6  
Other non-current liabilities 13.1 26.8  
Total liabilities 13.6 27.4  
Amounts recognized in accumulated other comprehensive loss consist of:      
Actuarial net loss 38.4 52.1  
Prior service cost 2.6 3.0  
Total amounts recognized in accumulated other comprehensive loss $ 41.0 $ 55.1  
Weighted-average assumptions as of December 31:      
Discount rate 1.93% 1.42% 1.87%
Expected return on plan assets 3.93% 3.93% 4.40%
Rate of compensation increase 0.18% 0.17% 0.17%
Components of net periodic cost:      
Service cost $ 1.1 $ 1.5 $ 1.9
Interest cost 2.3 2.8 3.6
Expected return on plan assets (5.3) (5.4) (4.7)
Recognition of prior service cost 0.1 0.1 0.1
Amortization of actuarial loss 2.1 1.7 1.5
Settlements 0.0 0.0 0.6
Other (0.2) (0.9) (0.7)
Net periodic cost $ 0.1 $ (0.2) $ 2.3