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Business Segments (Tables)

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Segment Reporting Information

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

	THREE MONTHS ENDED								SIX MONTHS ENDED
	JUNE 30								JUNE 30
	2020				2019				2020				2019
Revenues
Coal Mining	$	21,573			$	22,570			$	42,501			$	39,320
NAMining	12,048				10,728				23,672				21,503
Minerals Management	1,987				8,242				7,228				20,928
Unallocated Items	327				131				353				674
Eliminations	(580		)		(319		)		(755		)		(976		)
Total	$	35,355			$	41,352			$	72,999			$	81,449
Operating profit (loss)
Coal Mining	$	7,498			$	7,262			$	14,683			$	17,269
NAMining	544				(450		)		1,275				(385		)
Minerals Management	510				6,789				4,777				18,458
Unallocated Items	(4,158		)		(4,732		)		(8,718		)		(9,866		)
Eliminations	88				292				45				58
Total	$	4,482			$	9,161			$	12,062			$	25,534

Expenditures for property, plant and equipment
Coal Mining	$	3,844			$	1,511			$	4,667			$	4,251
NAMining	3,163				112				7,186				1,242
Minerals Management	276				50				739				291
Unallocated Items	158				42				207				183
Total	$	7,441			$	1,715			$	12,799			$	5,967
Depreciation, depletion and amortization
Coal Mining	$	3,615			$	3,276			$	7,158			$	6,150
NAMining	652				566				1,298				1,111
Minerals Management	327				367				654				733
Unallocated Items	30				29				58				57
Total	$	4,624			$	4,238			$	9,168			$	8,051

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
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8813-108599

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599

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- References

No definition available.

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