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Inventories

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories as of March 31, 2021 and December 31, 2020 consisted of the following:

			March 31, 2021						December 31, 2020
			(Dollars in millions)
Materials and supplies			$	104.3					$	102.6
Raw coal			52.4						70.5
Saleable coal			84.7						88.5
Total			$	241.4					$	261.6

Materials and supplies inventories presented above have been shown net of reserves of $10.5 million and $10.4 million as of March 31, 2021 and December 31, 2020, respectively. The coal inventory balances above are presented net of net realizable value adjustments of $5.5 million as of March 31, 2021.

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- References

No definition available.

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- Definition

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-URI http://asc.fasb.org/topic&trid=2126998

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