Segment Information

9 Months Ended

Sep. 30, 2012

Segment Reporting [Abstract]

Segment Information

Segment Information

The Company reports its results of operations primarily through the following reportable segments: “Western U.S. Mining,” “Midwestern U.S. Mining,” “Australian Mining,” “Trading and Brokerage” and “Corporate and Other.” The Company’s chief operating decision maker uses Adjusted EBITDA as the primary measure of segment profit and loss. The Company defines Adjusted EBITDA as income from continuing operations before deducting net interest expense, income taxes, asset retirement obligation expenses, depreciation, depletion and amortization and amortization of basis difference associated with equity method investments.

Reportable segment results were as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(Dollars in millions)
Revenues:
Australian Mining	$	866.0		$	718.7		$	2,605.0		$	2,155.3
Western U.S. Mining	783.5			758.5			2,213.5			2,124.5
Midwestern U.S. Mining	355.7			368.5			1,050.1			1,025.3
Trading and Brokerage	45.6			131.5			173.7			329.5
Corporate and Other	8.0			3.4			18.3			31.5
Total	$	2,058.8		$	1,980.6		$	6,060.6		$	5,666.1
Adjusted EBITDA:
Australian Mining	$	221.4		$	246.1		$	757.4		$	852.2
Western U.S. Mining	243.9			218.7			616.3			532.2
Midwestern U.S. Mining	103.5			105.4			317.4			292.8
Trading and Brokerage	35.7			57.4			109.2			134.6
Corporate and Other	(144.6		)	(119.1		)	(378.8		)	(273.4		)
Total	$	459.9		$	508.5		$	1,421.5		$	1,538.4

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(Dollars in millions)
Total Adjusted EBITDA	$	459.9		$	508.5		$	1,421.5		$	1,538.4
Depreciation, depletion and amortization	172.5			108.4			470.7			317.6
Amortization of basis difference related to equity affiliates	(0.2		)	—			3.0			—
Asset retirement obligation expenses	21.1			14.6			53.3			43.3
Interest expense	99.4			59.2			308.3			159.1
Interest income	(5.1		)	(4.1		)	(19.7		)	(11.7		)
Income tax provision	49.3			39.2			85.5			238.8
Income from continuing operations, net of income taxes	$	122.9		$	291.2		$	520.4		$	791.3