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Business Segments (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Segment Reporting Information

The following tables present revenue, operating profit, depreciation expense and capital expenditures:

	THREE MONTHS ENDED
	MARCH 31
	2020				2019
Revenues
Coal Mining	$	20,928			$	16,750
NAMining	11,624				10,775
Minerals Management	5,241				12,686
Unallocated Items	26				543
Eliminations	(175		)		(657		)
Total	$	37,644			$	40,097
Operating profit (loss)
Coal Mining	$	7,185			$	10,007
NAMining	731				65
Minerals Management	4,267				11,669
Unallocated Items	(4,560		)		(5,134		)
Eliminations	(43		)		(234		)
Total	$	7,580			$	16,373

Expenditures for property, plant and equipment
Coal Mining	$	823			$	2,740
NAMining	4,023				1,130
Minerals Management	463				241
Unallocated Items	49				141
Total	$	5,358			$	4,252
Depreciation, depletion and amortization
Coal Mining	$	3,543			$	2,874
NAMining	646				545
Minerals Management	327				366
Unallocated Items	28				28
Total	$	4,544			$	3,813

X

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 280
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-Publisher FASB
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- References

No definition available.

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