Acquisitions and Divestitures (Tables)

6 Months Ended

Jun. 30, 2013

Acquisitions and Divestitures (Tables) [Abstract]

Schedule of Business Acquisitions, CCA

The following table presents a summary of the preliminary fair value of assets acquired and liabilities assumed in the CCA acquisition:

In thousands
Consideration:
Cash payment (1)	$	988,982
Fair value of assets acquired and liabilities assumed:
Oil and natural gas properties
Proved	771,487
Unevaluated	222,820
Other assets	1,884
Asset retirement obligations	(7,209		)
	$	988,982

(1) This cash payment was made through a qualified intermediary from cash placed in qualifying trust accounts from a portion of the proceeds received from the Bakken Exchange Transaction (as defined below) in order to enable a like-kind-exchange transaction for federal income tax purposes. As such, this amount is not reflected as a cash payment to purchase oil and natural gas properties in our Unaudited Condensed Consolidated Statement of Cash Flows.

Business Acquisition, Pro Forma Information

Unaudited Pro Forma Acquisition Information. The following combined pro forma total revenues and other income and net income are presented as if the CCA Acquisition, Bakken Exchange Transaction and Thompson Field acquisition had occurred on January 1, 2012:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
In thousands, except per share data	2013		2012		2013		2012
Pro forma total revenues and other income	$	650,084	$	640,996	$	1,315,344	$	1,327,045
Pro forma net income	129,980		234,621		245,571		368,152
Pro forma net income per common share
Basic	$	0.35	$	0.61	$	0.67	$	0.95
Diluted	0.35		0.60		0.66		0.94