XML 25 R13.htm IDEA: XBRL DOCUMENT v3.22.2

Inventories

6 Months Ended

Jun. 30, 2022

Inventory Disclosure [Abstract]

Inventories

Inventories

“Inventories, net” as of June 30, 2022 and December 31, 2021 consisted of the following:

			June 30, 2022						December 31, 2021
			(Dollars in millions)
Materials and supplies, net			$	116.9					$	102.1
Raw coal			63.4						54.6
Saleable coal			72.6						70.0
Inventories, net			$	252.9					$	226.7

Materials and supplies inventories, net presented above have been shown net of reserves of $8.2 million and $9.0 million as of June 30, 2022 and December 31, 2021.

X

- References

No definition available.

+ Details

Name:	us-gaap_InventoryDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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

+ Details

Name:	us-gaap_InventoryDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration