v3.26.1
Inventories (Tables)
6 Months Ended
Jun. 30, 2026
Inventory Disclosure [Abstract]  
Schedule of Components of Inventories
The components of inventories at June 30, 2026 and December 31, 2025, respectively, were as follows:
June 30, 2026December 31, 2025
 
(Dollars in millions)
Coal$100.8 $116.5 
Coke20.7 39.7 
Materials, supplies and other64.6 63.7 
Total inventories$186.1 $219.9