v3.25.2
Inventories (Tables)
6 Months Ended
Jun. 30, 2025
Inventory Disclosure [Abstract]  
Schedule of Components of Inventories
The components of inventories were as follows:
June 30, 2025December 31, 2024
 
(Dollars in millions)
Coal$141.2 $109.3 
Coke17.3 13.9 
Materials, supplies and other56.8 57.6 
Total inventories$215.3 $180.8