Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Reportable segment results

Reportable segment results were as follows:

	Successor			Predecessor
	Three Months Ended March 31, 2018			Three Months Ended March 31, 2017
	(Dollars in millions)
Revenues:
Powder River Basin Mining	$	389.3		$	394.3
Midwestern U.S. Mining	201.7			193.2
Western U.S. Mining	143.7			149.7
Australian Metallurgical Mining	466.2			328.9
Australian Thermal Mining	201.4			224.8
Trading and Brokerage	20.1			15.0
Corporate and Other	40.3			20.3
Total	$	1,462.7		$	1,326.2
Adjusted EBITDA:
Powder River Basin Mining	$	74.5		$	91.7
Midwestern U.S. Mining	31.2			50.0
Western U.S. Mining	32.0			50.0
Australian Metallurgical Mining	166.4			109.6
Australian Thermal Mining	61.6			75.6
Trading and Brokerage	1.2			8.8
Corporate and Other (1)	(3.0		)	(44.4		)
Total	$	363.9		$	341.3

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Reconciliation of Adjusted EBITDA to consolidated loss from continuing operations, net of income taxes

A reconciliation of consolidated income from continuing operations, net of income taxes to Adjusted EBITDA follows:

	Successor			Predecessor
	Three Months Ended March 31, 2018			Three Months Ended March 31, 2017
	(Dollars in millions)
Income from continuing operations, net of income taxes	$	208.3		$	124.3
Depreciation, depletion and amortization	169.6			119.9
Asset retirement obligation expenses	12.3			14.6
Asset impairment	—			30.5
Changes in deferred tax asset valuation allowance and amortization of basis difference related to equity affiliates	(7.6		)	(5.2		)
Interest expense	36.3			32.9
Interest income	(7.2		)	(2.7		)
Reorganization items, net	(12.8		)	41.4
Unrealized gains on economic hedges	(38.6		)	(16.6		)
Unrealized losses on non-coal trading derivative contracts	1.8			—
Take-or-pay contract-based intangible recognition	(8.3		)	—
Income tax provision	10.1			2.2
Total Adjusted EBITDA	$	363.9		$	341.3