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Segment Information
 9 Months Ended
Sep. 30, 2014
Segment Reporting [Abstract]  
Segment Information
Segment Information
The Company reports its results of operations primarily through the following reportable segments: “Australian Mining," “Western U.S. Mining,” “Midwestern U.S. 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 (loss) income from continuing operations before deducting net interest expense, income taxes, asset retirement obligation expenses, depreciation, depletion and amortization, asset impairment and mine closure costs, charges for the settlement of claims and litigation related to previously divested operations and amortization of basis difference related to equity affiliates.
Reportable segment results were as follows:
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2014
 
2013
 
2014
 
2013
 
 
(Dollars in millions)
Revenues:
 
 
 
 
 
 
 
 
Australian Mining
 
$
676.3

 
$
705.3

 
$
1,995.5

 
$
2,188.1

Western U.S. Mining
 
711.1

 
705.4

 
2,119.7

 
1,986.4

Midwestern U.S. Mining
 
312.9

 
346.6

 
920.5

 
1,013.3

Trading and Brokerage
 
15.0

 
32.1

 
46.3

 
54.6

Corporate and Other
 
7.6

 
8.2

 
25.7

 
28.5

Total
 
$
1,722.9

 
$
1,797.6

 
$
5,107.7

 
$
5,270.9

 
 
 
 
 
 
 
 
 
Adjusted EBITDA:
 
 
 
 
 
 
 
 
Australian Mining
 
$
16.9

 
$
74.8

 
$
30.9

 
$
287.7

Western U.S. Mining
 
194.8

 
193.5

 
590.7

 
508.9

Midwestern U.S. Mining
 
86.8

 
112.4

 
235.4

 
331.5

Trading and Brokerage
 
3.3

 
17.2

 
7.7

 
(7.8
)
Corporate and Other
 
(85.5
)
 
(85.9
)
 
(258.4
)
 
(273.9
)
Total
 
$
216.3

 
$
312.0

 
$
606.3

 
$
846.4


A reconciliation of Adjusted EBITDA to consolidated (loss) income from continuing operations, net of income taxes follows:
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2014
 
2013
 
2014
 
2013
 
 
(Dollars in millions)
Adjusted EBITDA
 
$
216.3

 
$
312.0

 
$
606.3

 
$
846.4

Depreciation, depletion and amortization
 
(163.6
)
 
(186.4
)
 
(483.9
)
 
(542.8
)
Asset impairment
 
—

 
—

 
—

 
(21.5
)
Amortization of basis difference related to equity affiliates
 
(1.5
)
 
—

 
(4.0
)
 
(4.0
)
Asset retirement obligation expenses
 
(15.0
)
 
(13.4
)
 
(46.5
)
 
(50.7
)
Interest expense
 
(114.5
)
 
(111.0
)
 
(323.0
)
 
(323.1
)
Interest income
 
3.7

 
4.2

 
11.7

 
11.2

Income tax (provision) benefit
 
(79.4
)
 
18.6

 
(30.9
)
 
199.6

(Loss) income from continuing operations, net of income taxes
 
$
(154.0
)
 
$
24.0

 
$
(270.3
)
 
$
115.1