v3.26.1
PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS - Net Periodic Benefit Costs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Defined Benefit Pension Plans | Non-U.S. plans        
Net periodic benefit cost        
Service cost $ 1.6 $ 1.9 $ 3.2 $ 3.6
Interest cost 1.7 1.6 3.3 3.0
Expected return on plan assets (0.1) (0.1) (0.2) (0.2)
Amortization of prior service credit   (0.1)   (0.1)
Amortization of net gain (1.3) (0.5) (2.6) (1.0)
Settlement and curtailment gain   (0.7) (0.6) (0.7)
Net periodic benefit cost 1.9 2.1 3.1 4.6
Defined Benefit Pension Plans | United States        
Net periodic benefit cost        
Service cost 0.2 0.1 0.3 0.3
Interest cost 0.1 0.1 0.3 0.3
Expected return on plan assets (0.3) (0.3) (0.5) (0.6)
Settlement and curtailment gain (0.1) (0.1) (0.1) (0.1)
Net periodic benefit cost (0.1) (0.2)   (0.1)
OPEB Plans | Maximum        
Net periodic benefit cost        
Net periodic benefit cost $ 0.8 $ 0.8 $ 0.8 $ 0.8