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Inventories
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories as of September 30, 2019 and December 31, 2018 consisted of the following:
 
September 30, 2019
 
December 31, 2018
 
(Dollars in millions)
Materials and supplies
$
119.0

 
$
118.1

Raw coal
79.5

 
53.6

Saleable coal
96.3

 
108.5

Total
$
294.8

 
$
280.2

Materials and supplies inventories presented above have been shown net of reserves of $0.3 million and $0.2 million as of September 30, 2019 and December 31, 2018, respectively.