v3.25.2
RETIREMENT PLANS - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Other Postretirement Benefits Plan          
Defined Contribution Plan Disclosure [Line Items]          
Contributions $ 2.0 $ 1.8 $ 7.1 $ 3.6  
Expected contributions 14.7   14.7   $ 16.6
Pension Plan          
Defined Contribution Plan Disclosure [Line Items]          
Contributions $ 5.5 $ 10.8 $ 12.8 $ 22.4