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PENSION AND OTHER POSTRETIREMENT BENEFITS (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Other Postretirement Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 0.1 $ 0.3 $ 0.4 $ 0.9
Interest cost 1.9 1.4 5.6 4.4
Expected return on assets
Amortization of prior service cost (credit) (6.0) (0.1) (18.0) (0.3)
Amortization of actuarial (gains) losses 1.1 0.1 3.2
Net periodic benefit cost (credit) (4.0) 2.7 (11.9) 8.2
Domestic Defined Benefit Pension Plan | Defined Benefit Pension Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0.9 1.3 2.5 3.8
Interest cost 1.1 0.8 3.4 2.4
Expected return on assets (1.8) (2.0) (5.5) (5.8)
Amortization of prior service cost (credit) 0.3 0.2 1.0 0.7
Amortization of actuarial (gains) losses
Net periodic benefit cost (credit) 0.5 0.3 1.4 1.1
Foreign Defined Benefit Pension Plans | Defined Benefit Pension Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 1.1 1.6 3.2 4.9
Interest cost 2.9 1.9 8.6 4.8
Expected return on assets (3.1) (2.6) (9.3) (7.7)
Amortization of prior service cost (credit) (0.1) (0.2) (0.1)
Amortization of actuarial (gains) losses (0.4) 0.1 (1.1) 1.1
Net periodic benefit cost (credit) $ 0.4 $ 1.0 $ 1.2 $ 3.0