Revenue (Tables)

9 Months Ended

Sep. 30, 2018

Revenue Recognition 606 [Table Text Block]

The following table presents the impact to the Condensed Consolidated Statements of Operations as a result of adopting ASC Topic 606.



	Three Months Ended								Nine Months Ended
	September 30, 2018								September 30, 2018
	As Reported			ASC Topic 606 Adjustments		As Adjusted⁽¹⁾			As Reported			ASC Topic 606 Adjustments		As Adjusted⁽¹⁾
REVENUES	(in millions, except per share amounts)
Oil and condensate, gas and NGL sales	$	544.0		$	15.8	$	559.8		$	1,474.1		$	40.9	$	1,515.0
Other revenue	3.8			—		3.8			11.8			—		11.8
Purchased oil and gas sales	13.0			—		13.0			36.2			—		36.2
Total Revenues	560.8			15.8		576.6			1,522.1			40.9		1,563.0
OPERATING EXPENSES
Purchased oil and gas expense	13.3			—		13.3			38.6			—		38.6
Lease operating expense	64.6			—		64.6			203.6			—		203.6
Transportation and processing costs	28.0			15.8		43.8			93.2			40.9		134.1
Gathering and other expense	4.6			—		4.6			10.8			—		10.8
General and administrative	48.3			—		48.3			164.2			—		164.2
Production and property taxes	37.4			—		37.4			103.9			—		103.9
Depreciation, depletion and amortization	234.9			—		234.9			673.6			—		673.6
Exploration expenses	—			—		—			0.1			—		0.1
Impairment	—			—		—			404.4			—		404.4
Total Operating Expenses	431.1			15.8		446.9			1,692.4			40.9		1,733.3
Net gain (loss) from asset sales, inclusive of restructuring costs	27.1			—		27.1			26.7			—		26.7
OPERATING INCOME (LOSS)	156.8			—		156.8			(143.6		)	—		(143.6		)
Realized and unrealized gains (losses) on derivative contracts (Note 7)	(108.0		)	—		(108.0		)	(240.3		)	—		(240.3		)
Interest and other income (expense)	(0.3		)	—		(0.3		)	(4.1		)	—		(4.1		)
Interest expense	(38.7		)	—		(38.7		)	(111.9		)	—		(111.9		)
INCOME (LOSS) BEFORE INCOME TAXES	9.8			—		9.8			(499.9		)	—		(499.9		)
Income tax (provision) benefit	(2.5		)	—		(2.5		)	117.6			—		117.6
NET INCOME (LOSS)	$	7.3		$	—	$	7.3		$	(382.3	)	$	—	$	(382.3	)

Earnings (loss) per common share
Basic	$	0.03		$	—	$	0.03		$	(1.60	)	$	—	$	(1.60	)
Diluted	$	0.03		$	—	$	0.03		$	(1.60	)	$	—	$	(1.60	)

Weighted-average common shares outstanding
Used in basic calculation	236.9			—		236.9			238.3			—		238.3
Used in diluted calculation	237.0			—		237.0			238.3			—		238.3

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⁽¹⁾	This column excludes the impact of adopting ASC Topic 606 and is consistent with the presentation prior to January 1, 2018.

Revenue Recognition [Table Text Block]

The following tables present our revenues that are disaggregated by revenue source and by geographic area. Transportation and processing costs in the following tables are not all of the transportation and processing costs that the Company incurs, only the expenses that are netted against revenues pursuant to ASC Topic 606.



	Oil and condensate sales		Gas sales		NGL sales		Transportation and processing costs included in revenue			Oil and condensate, gas and NGL sales, as reported
	(in millions)
	Three Months Ended September 30, 2018
Northern Region
Williston Basin	$	203.4	$	12.0	$	19.2	$	(12.3	)	$	222.3
Uinta Basin	7.3		6.8		1.4		—			15.5
Other Northern	1.1		0.5		0.1		—			1.7
Southern Region
Permian Basin	204.0		5.4		21.3		(3.5		)	227.2
Haynesville/Cotton Valley	0.2		76.9		—		—			77.1
Other Southern	0.1		0.1		—		—			0.2
Total oil and condensate, gas and NGL sales	$	416.1	$	101.7	$	42.0	$	(15.8	)	$	544.0

	Three Months Ended September 30, 2017⁽¹⁾
Northern Region
Williston Basin	$	125.7	$	9.5	$	13.0	$	—		$	148.2
Pinedale	5.2		43.0		10.1		—			58.3
Uinta Basin	7.5		12.2		1.6		—			21.3
Other Northern	1.2		4.2		0.1		—			5.5
Southern Region
Permian Basin	78.1		4.5		7.3		—			89.9
Haynesville/Cotton Valley	0.3		57.2		0.1		—			57.6
Other Southern	—		0.1		—		—			0.1
Total oil and condensate, gas and NGL sales	$	218.0	$	130.7	$	32.2	$	—		$	380.9

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⁽¹⁾	Prior period amounts have not been adjusted under the modified retrospective method.



	Oil and condensate sales			Gas sales		NGL sales		Transportation and processing costs included in revenue			Oil and condensate, gas and NGL sales, as reported
	(in millions)
	Nine Months Ended September 30, 2018
Northern Region
Williston Basin	$	571.5		$	30.2	$	45.7	$	(32.9	)	$	614.5
Uinta Basin	25.2			24.8		4.8		—			54.8
Other Northern	3.9			1.7		—		—			5.6
Southern Region
Permian Basin	524.1			13.2		37.7		(8.0		)	567.0
Haynesville/Cotton Valley	0.8			231.2		—		—			232.0
Other Southern	(0.2		)	0.4		—		—			0.2
Total oil and condensate, gas and NGL sales	$	1,125.3		$	301.5	$	88.2	$	(40.9	)	$	1,474.1

	Nine Months Ended September 30, 2017⁽¹⁾
Northern Region
Williston Basin	$	416.5		$	32.5	$	34.8	$	—		$	483.8
Pinedale	18.0			154.8		30.1		—			202.9
Uinta Basin	21.8			39.1		4.3		—			65.2
Other Northern	4.0			15.0		0.3		—			19.3
Southern Region
Permian Basin	194.3			11.3		14.2		—			219.8
Haynesville/Cotton Valley	0.9			146.4		0.3		—			147.6
Other Southern	0.2			0.3		—		—			0.5
Total oil and condensate, gas and NGL sales	$	655.7		$	399.4	$	84.0	$	—		$	1,139.1

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⁽¹⁾	Prior period amounts have not been adjusted under the modified retrospective method.