v3.26.1
INVENTORIES (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Inventory Disclosure [Abstract]      
Supplies $ 153.1 $ 156.2 $ 154.6
Raw materials 205.1 204.7 210.0
Work in process 184.8 178.1 200.1
Finished goods 489.1 413.9 514.9
Inventories excluding LIFO reserve 1,032.1 952.9 1,079.6
LIFO reserve (184.9) (168.4) (160.5)
Inventories, net $ 847.2 $ 784.5 $ 919.1