INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2022

INVENTORIES [Abstract]

Inventories

in millions	2022	2021
Inventories
Finished products 1	$          439.3	$        418.0
Raw materials	63.4	59.9
Products in process	6.0	4.2
Operating supplies and other	70.6	39.2
Total	$          579.3	$        521.3

¹ Includes inventories encumbered by volumetric production payments (see Note 2), as follows: December 31, 2022 — $3.6 million; December 31, 2021 — $2.8 million.