Segment Information

3 Months Ended

Mar. 31, 2012

Segment Reporting [Abstract]

Segment Information

Segment Information

The Company reports its operations primarily through the following reportable operating 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 expense, depreciation, depletion and amortization and amortization of basis difference associated with equity method investments.

Operating segment results were as follows:

	Three Months Ended March 31,
	2012			2011
	(Dollars in millions)
Revenues:
Western U.S. Mining	$	761.0		$	703.7
Midwestern U.S. Mining	365.6			367.0
Australian Mining	854.1			578.8
Trading and Brokerage	52.5			83.9
Corporate and Other	5.4			9.7
Total	$	2,038.6		$	1,743.1
Adjusted EBITDA:
Western U.S. Mining	$	207.0		$	179.4
Midwestern U.S. Mining	110.3			109.9
Australian Mining	295.6			209.6
Trading and Brokerage	28.1			26.8
Corporate and Other	(128.4		)	(90.4		)
Total	$	512.6		$	435.3

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

	Three Months Ended March 31,
	2012			2011
	(Dollars in millions)
Total Adjusted EBITDA	$	512.6		$	435.3
Depreciation, depletion and amortization	144.9			107.7
Amortization of basis difference related to equity affiliates	2.3			—
Asset retirement obligation expense	15.2			13.3
Interest expense	102.0			51.0
Interest income	(8.1		)	(4.1		)
Income tax provision	74.0			72.8
Income from continuing operations, net of income taxes	$	182.3		$	194.6