Business Combination (Tables)

6 Months Ended

Jun. 30, 2011

Business Combination

Summary Of Purchase Price Allocation

	(in millions)
Consideration paid, net of cash acquired	$	2,910.4
Recognized amounts of net tangible and intangible assets acquired and liabilities assumed:
Restricted cash	15.5
Receivables	114.2
Inventories	77.5
Net property, plant and equipment, including mineral rights	4,516.4
Goodwill	425.0
Other assets	49.2
Accounts payable	(82.4		)
Other accrued expenses and current liabilities	(53.0		)
Executive change in control payments	(10.0		)
Debt	(604.8		)
Litigation accrual	(105.3		)
Accrued postretirement benefits	(49.4		)
Asset retirement obligation	(80.4		)
Coal supply agreements, net	(77.7		)
Deferred income taxes, net	(1,189.9		)
Other	(34.5		)
Net tangible and intangible assets acquired	$	2,910.4

Summary Of Unaudited Pro Forma

	Three Months Ended June 30					Six Months Ended June 30
	2011		2010			2011		2010
	((In thousands)
Total revenues
As reported	$	985.1	$	764.3		$	1,858.0	$	1,476.2
Pro forma	$	1,233.9	$	1,044.0		$	2,397.7	$	2,035.8
Income (loss) before income taxes
As reported	$	11.6	$	72.0		$	80.0	$	69.5
Pro forma	$	62.0	$	(67.8	)	$	74.9	$	(86.2	)

Schedule of Business Acquisition, Integration, Restructuring and Other Related Costs

Costs of affecting the acquisition - Arch	$	27,852
Costs of affecting the acquisition - ICG	23,503
Severance costs	13,498
Write off of acquired assets	7,316
Bridge financing fees	49,490
	$	121,659