Inventories

12 Months Ended

Dec. 31, 2021

Inventory Disclosure [Abstract]

Inventories

6. Inventories

The Company’s inventory consists of metallurgical coal, which is the principal raw material for the Company’s cokemaking operations, coke, which is the finished good sold by the Company to its customers, and materials, supplies and other. These components of inventories were as follows:

	December 31,
	2021		2020
	(Dollars in millions)
Coal	$	63.5	$	60.6
Coke	16.6		21.1
Materials, supplies and other	46.9		44.9
Total inventories	$	127.0	$	126.6