Revenues (Tables)

12 Months Ended

Dec. 31, 2019

Disaggregation of Revenue by Product Type and Market [Table Text Block]

Revenue by product type and market is set forth in the following tables. With respect to its seaborne mining segments, the Company classifies as “Export” certain revenue from domestically-delivered coal under contracts in which the price is derived on a basis similar to export contracts.



	Successor
	Year Ended December 31, 2019
	Seaborne Thermal Mining		Seaborne Metallurgical Mining		Powder River Basin Mining		Midwestern U.S. Mining		Western U.S. Mining		Corporate and Other ⁽¹⁾		Consolidated
	(Dollars in millions)
Thermal coal
Domestic	$	147.9	$	—	$	1,208.9	$	669.2	$	605.0	$	—	$	2,631.0
Export	822.4		—		—		—		11.3		—		833.7
Total thermal	970.3		—		1,208.9		669.2		616.3		—		3,464.7
Metallurgical coal
Export	—		1,030.0		—		—		—		—		1,030.0
Total metallurgical	—		1,030.0		—		—		—		—		1,030.0
Other	1.4		3.1		19.8		0.5		23.4		80.5		128.7
Revenues	$	971.7	$	1,033.1	$	1,228.7	$	669.7	$	639.7	$	80.5	$	4,623.4



	Successor
	Year Ended December 31, 2018
	Seaborne Thermal Mining		Seaborne Metallurgical Mining		Powder River Basin Mining		Midwestern U.S. Mining		Western U.S. Mining		Corporate and Other ⁽¹⁾		Consolidated
	(Dollars in millions)
Thermal coal
Domestic	$	153.0	$	—	$	1,424.8	$	799.4	$	543.1	$	—	$	2,920.3
Export	945.0		—		—		1.3		22.1		—		968.4
Total thermal	1,098.0		—		1,424.8		800.7		565.2		—		3,888.7
Metallurgical coal
Export	—		1,548.6		—		—		—		—		1,548.6
Total metallurgical	—		1,548.6		—		—		—		—		1,548.6
Other	1.2		4.4		—		0.3		26.8		111.8		144.5
Revenues	$	1,099.2	$	1,553.0	$	1,424.8	$	801.0	$	592.0	$	111.8	$	5,581.8



	Successor
	April 2 through December 31, 2017
	Seaborne Thermal Mining		Seaborne Metallurgical Mining		Powder River Basin Mining		Midwestern U.S. Mining		Western U.S. Mining		Corporate and Other ⁽¹⁾		Consolidated
	(Dollars in millions)
Thermal coal
Domestic	$	87.9	$	—	$	1,174.3	$	586.7	$	409.8	$	—	$	2,258.7
Export	684.1		—		—		5.3		19.2		—		708.6
Total thermal	772.0		—		1,174.3		592.0		429.0		—		2,967.3
Metallurgical coal
Export	—		1,221.0		—		—		—		—		1,221.0
Total metallurgical	—		1,221.0		—		—		—		—		1,221.0
Other	0.5		—		4.4		0.3		11.7		47.4		64.3
Revenues	$	772.5	$	1,221.0	$	1,178.7	$	592.3	$	440.7	$	47.4	$	4,252.6



	Predecessor
	January 1 through April 1, 2017
	Seaborne Thermal Mining		Seaborne Metallurgical Mining		Powder River Basin Mining		Midwestern U.S. Mining		Western U.S. Mining		Corporate and Other ⁽¹⁾		Consolidated
	(Dollars in millions)
Thermal coal
Domestic	$	27.3	$	—	$	394.3	$	193.2	$	133.5	$	—	$	748.3
Export	197.2		—		—		—		—		—		197.2
Total thermal	224.5		—		394.3		193.2		133.5		—		945.5
Metallurgical coal
Export	—		324.6		—		—		—		—		324.6
Total metallurgical	—		324.6		—		—		—		—		324.6
Other	0.3		4.3		—		—		16.2		35.3		56.1
Revenues	$	224.8	$	328.9	$	394.3	$	193.2	$	149.7	$	35.3	$	1,326.2

Disaggregation of Revenue by Contract Duration [Table Text Block]

Revenue by initial contract duration was as follows:



	Successor
	Year Ended December 31, 2019
	Seaborne Thermal Mining		Seaborne Metallurgical Mining		Powder River Basin Mining		Midwestern U.S. Mining		Western U.S. Mining		Corporate and Other ⁽¹⁾		Consolidated
	(Dollars in millions)
One year or longer	$	589.2	$	828.6	$	1,087.6	$	644.3	$	609.9	$	—	$	3,759.6
Less than one year	381.1		201.4		121.3		24.9		6.4		—		735.1
Other ⁽²⁾	1.4		3.1		19.8		0.5		23.4		80.5		128.7
Revenues	$	971.7	$	1,033.1	$	1,228.7	$	669.7	$	639.7	$	80.5	$	4,623.4



	Successor
	Year Ended December 31, 2018
	Seaborne Thermal Mining		Seaborne Metallurgical Mining		Powder River Basin Mining		Midwestern U.S. Mining		Western U.S. Mining		Corporate and Other ⁽¹⁾		Consolidated
	(Dollars in millions)
One year or longer	$	799.5	$	1,036.7	$	1,283.9	$	775.4	$	531.8	$	—	$	4,427.3
Less than one year	298.5		511.9		140.9		25.3		33.4		—		1,010.0
Other ⁽²⁾	1.2		4.4		—		0.3		26.8		111.8		144.5
Revenues	$	1,099.2	$	1,553.0	$	1,424.8	$	801.0	$	592.0	$	111.8	$	5,581.8


	Successor
	April 2 through December 31, 2017
	Seaborne Thermal Mining		Seaborne Metallurgical Mining		Powder River Basin Mining		Midwestern U.S. Mining		Western U.S. Mining		Corporate and Other ⁽¹⁾		Consolidated
	(Dollars in millions)
One year or longer	$	503.0	$	867.1	$	1,023.1	$	560.5	$	404.6	$	—	$	3,358.3
Less than one year	269.0		353.9		151.2		31.5		24.4		—		830.0
Other ⁽²⁾	0.5		—		4.4		0.3		11.7		47.4		64.3
Revenues	$	772.5	$	1,221.0	$	1,178.7	$	592.3	$	440.7	$	47.4	$	4,252.6


	Predecessor
	January 1 through April 1, 2017
	Seaborne Thermal Mining		Seaborne Metallurgical Mining		Powder River Basin Mining		Midwestern U.S. Mining		Western U.S. Mining		Corporate and Other ⁽¹⁾		Consolidated
	(Dollars in millions)
One year or longer	$	134.1	$	240.6	$	357.7	$	193.2	$	129.3	$	—	$	1,054.9
Less than one year	90.4		84.0		36.6		—		4.2		—		215.2
Other ⁽²⁾	0.3		4.3		—		—		16.2		35.3		56.1
Revenues	$	224.8	$	328.9	$	394.3	$	193.2	$	149.7	$	35.3	$	1,326.2


⁽¹⁾	Corporate and Other revenue includes gains and losses related to mark-to-market adjustments from economic hedge activities intended to hedge future coal sales. Refer to Note 9. “Derivatives and Fair Value Measurements” for additional information regarding the economic hedge activities.

⁽²⁾

Other includes revenues from arrangements such as customer contract-related payments, royalties related to coal lease agreements, sales agency commissions, farm income and property and facility rentals, for which contract duration is not meaningful.

Schedule of Accounts Receivable [Table Text Block]

“Accounts receivable, net” at December 31, 2019 and 2018 consisted of the following:



	December 31,
	2019		2018
	(Dollars in millions)
Trade receivables, net	$	283.1	$	345.5
Miscellaneous receivables, net	46.4		104.9
Accounts receivable, net	$	329.5	$	450.4