Acquisitions and Divestitures (Tables)

6 Months Ended

Jun. 30, 2012

Acquisitions and Divestitures [Abstract]

Components of discontinued operations

The following table represents the components of the Company's discontinued operations for the three and six months ended June 30, 2012 and 2011:

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
	(in thousands)
Revenues and other income:
Oil and gas	$	20,172		$	21,520		$	39,765		$	65,051
Interest and other	—			35			20			4,971
Gain (loss) on disposition of assets, net	—			(4,574		)	(23		)	645,298
	20,172			16,981			39,762			715,320
Costs and expenses:
Oil and gas production	1,345			714			2,135			3,937
Depletion, depreciation and amortization (a)	—			13,544			—			27,236
Exploration and abandonments	1			1,875			86			4,587
General and administrative	12			2,582			1,132			9,397
Accretion of discount on asset retirement obligations (a)	652			610			1,304			1,302
Interest	—			773			(75		)	773
Other	1,581			3,012			1,185			4,214
	3,591			23,110			5,767			51,446
Income (loss) from discontinued operations before income taxes	16,581			(6,129		)	33,995			663,874
Current tax provision	(3,334		)	(12,745		)	(8,739		)	(26,638		)
Deferred tax (provision) benefit (a)	(1,230		)	15,849			(2,544		)	(220,379		)
Income (loss) from discontinued operations	$	12,017		$	(3,025	)	$	22,712		$	416,857

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(a) Represents the significant noncash components of discontinued operations.