Segment Information (Tables)

6 Months Ended

Jun. 30, 2011

Segment Information

Summarized financial information by reportable segment

			For the three months ended June 30,
			2011			2010
Revenues:
	U.S. Operations		$	506,852		$	410,034
	Canadian and U.K. Operations			265,575			—
	Other			573			588
		Total Revenues	$	773,000		$	410,622
Segment operating income (loss):
	U.S. Operations		$	168,671		$	182,067
	Canadian and U.K. Operations			12,448			—
	Other			(27,470	)		(11,834	)
	Operating income			153,649			170,233
	Less interest expense, net			(31,887	)		(3,887	)
	Other income			24,503			—
	Income from continuing operations before income tax expense			146,265			166,346
	Income tax expense			38,907			50,236
		Income from continuing operations	$	107,358		$	116,110
Depreciation and depletion:
	U.S. Operations		$	39,269		$	23,798
	Canadian and U.K. Operations			49,965			—
	Other			192			87
		Total	$	89,426		$	23,885
Capital Expenditures:
	U.S. Operations		$	40,972		$	26,784
	Canadian and U.K. Operations			51,411			—
	Other			(259	)		3,919
		Total	$	92,124		$	30,703

			For the six months ended June 30,
			2011			2010
Revenues:
	U.S. Operations		$	914,788		$	721,305
	Canadian and U.K. Operations			265,575			—
	Other			1,371			1,366
		Total Revenues	$	1,181,734		$	722,671
Segment operating income (loss):
	U.S. Operations		$	307,644		$	261,492
	Canadian and U.K. Operations			12,448			—
	Other			(46,676	)		(19,952	)
	Operating income			273,416			241,540
	Less interest expense, net			(35,287	)		(8,483	)
	Other income			24,503			—
	Income from continuing operations before income tax expense			262,632			233,057
	Income tax expense			73,461			74,252
		Income from continuing operations	$	189,171		$	158,805
Depreciation and depletion:
	U.S. Operations		$	67,438		$	45,890
	Canadian and U.K. Operations			49,965			—
	Other			381			164
		Total	$	117,784		$	46,054
Capital Expenditures:
	U.S. Operations		$	85,108		$	40,861
	Canadian and U.K. Operations			51,411			—
	Other			(102	)		4,179
		Total	$	136,417		$	45,040

			June 30, 2011		December 31, 2010
Identifiable Assets:
	U.S. Operations		$	963,205	$	1,021,534
	Canadian and U.K. Operations			5,709,816		—
	Other			477,329		636,231
		Total	$	7,150,350	$	1,657,765