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Inventories (Tables)

12 Months Ended

Dec. 31, 2020

Inventory Disclosure [Abstract]

Components of inventories

These components of inventories were as follows:

			December 31,
			2020						2019
			(Dollars in millions)
Coal			$	60.6					$	94.4
Coke			21.1						8.1
Materials, supplies and other			44.9						44.5
Total inventories			$	126.6					$	147.0

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- References

No definition available.

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6)(c))
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