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Inventories
12 Months Ended
Dec. 31, 2024
Inventory Disclosure [Abstract]  
Inventories Inventories
“Inventories, net” as of December 31, 2024 and 2023 consisted of the following:
December 31,
 20242023
 (Dollars in millions)
Materials and supplies, net$157.5 $153.0 
Raw coal109.6 105.6 
Saleable coal126.3 93.2 
Inventories, net$393.4 $351.8 
Materials and supplies inventories, net presented above have been shown net of reserves of $3.5 million and $7.2 million as of December 31, 2024 and 2023, respectively.