Segment Information (Tables)

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Reportable segment results

Reportable segment results were as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(Dollars in millions)
Revenues:
Australian Mining	$	707.4		$	744.8		$	1,319.2		$	1,482.8
Western U.S. Mining	726.6			640.9			1,408.6			1,281.0
Midwestern U.S. Mining	304.6			330.0			607.6			666.7
Trading and Brokerage	10.3			(3.4		)	31.3			22.5
Corporate and Other	9.1			13.0			18.1			20.3
Total	$	1,758.0		$	1,725.3		$	3,384.8		$	3,473.3
Adjusted EBITDA:
Australian Mining	$	12.2		$	112.5		$	14.0		$	212.9
Western U.S. Mining	222.0			154.9			395.9			315.4
Midwestern U.S. Mining	69.9			106.8			148.6			219.1
Trading and Brokerage	6.3			(41.0		)	4.4			(25.0		)
Corporate and Other	(97.3		)	(78.9		)	(172.9		)	(188.0		)
Total	$	213.1		$	254.3		$	390.0		$	534.4

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

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(Dollars in millions)
Adjusted EBITDA	$	213.1		$	254.3		$	390.0		$	534.4
Depreciation, depletion and amortization	(163.1		)	(185.7		)	(320.3		)	(356.4		)
Asset impairment	—			(21.5		)	—			(21.5		)
Amortization of basis difference related to equity affiliates	(1.3		)	(2.4		)	(2.5		)	(4.0		)
Asset retirement obligation expenses	(15.9		)	(18.3		)	(31.5		)	(37.3		)
Interest expense	(105.2		)	(110.8		)	(208.5		)	(212.1		)
Interest income	4.4			1.1			8.0			7.0
Income tax (provision) benefit	(4.0		)	184.7			48.5			181.0
(Loss) income from continuing operations, net of income taxes	$	(72.0	)	$	101.4		$	(116.3	)	$	91.1