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Report of Business Segments (Tables)

9 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following tables summarize the results of the Company's business segments during the three and nine months ended September 30, 2015 and 2014.



Three Months Ended September 30, 2015	Electric Utility			Natural Gas Midstream Operations			Other Operations			Eliminations			Total
(In millions)
Operating revenues	$	719.8		$	—		$	—		$	—		$	719.8
Cost of sales	259.8			—			—			—			259.8
Other operation and maintenance	107.4			4.9			(2.9		)	—			109.4
Depreciation and amortization	75.9			—			2.0			—			77.9
Taxes other than income	21.0			—			0.9			—			21.9
Operating income (loss)	255.7			(4.9		)	—			—			250.8
Equity in earnings of unconsolidated affiliates (A)	—			(71.9		)	—			—			(71.9		)
Other income (expense)	6.6			—			(0.7		)	(0.1		)	5.8
Interest expense	36.4			—			0.7			(0.1		)	37.0
Income tax expense	63.0			(26.8		)	0.3			—			36.5
Net income (loss)	$	162.9		$	(50.0	)	$	(1.7	)	$	—		$	111.2
Investment in unconsolidated affiliates	$	—		$	1,202.2		$	—		$	—		$	1,202.2
Total assets	$	8,570.7		$	1,541.5		$	134.0		$	(628.4	)	$	9,617.8



Three Months Ended September 30, 2014	Electric Utility			Natural Gas Midstream Operations			Other Operations			Eliminations			Total
(In millions)
Operating revenues	$	754.7		$	—		$	—		$	—		$	754.7
Cost of sales	305.3			—			—			—			305.3
Other operation and maintenance	111.0			0.3			(3.2		)	—			108.1
Depreciation and amortization	69.4			—			2.3			—			71.7
Taxes other than income	20.6			—			0.9			—			21.5
Operating income (loss)	248.4			(0.3		)	—			—			248.1
Equity in earnings of unconsolidated affiliates (A)	—			44.7			—			—			44.7
Other income (expense)	2.9			—			(0.3		)	(0.1		)	2.5
Interest expense	35.3			—			2.0			(0.1		)	37.2
Income tax expense	58.7			16.2			(4.1		)	—			70.8
Net income (loss)	$	157.3		$	28.2		$	1.8		$	—		$	187.3
Investment in unconsolidated affiliates	$	—		$	1,311.1		$	—		$	—		$	1,311.1
Total assets	$	8,003.1		$	1,427.2		$	204.1		$	(171.7	)	$	9,462.7


(A)	The Company recorded a $108.4 million pre-tax charge during the three months ended September 30, 2015 for its share of Enable's goodwill impairment, as adjusted for the basis differences. See Note 3 for further discussion of Enable's goodwill impairment.



Nine Months Ended September 30, 2015	Electric Utility			Natural Gas Midstream Operations			Other Operations			Eliminations			Total
(In millions)
Operating revenues	$	1,749.8		$	—		$	—		$	—		$	1,749.8
Cost of sales	682.3			—			—			—			682.3
Other operation and maintenance	337.3			5.9			(8.9		)	—			334.3
Depreciation and amortization	224.0			—			6.0			—			230.0
Taxes other than income	65.7			—			3.1			—			68.8
Operating income (loss)	440.5			(5.9		)	(0.2		)	—			434.4
Equity in earnings of unconsolidated affiliates (A)	—			(12.0		)	—			—			(12.0		)
Other income (expense)	13.9			—			2.6			(0.2		)	16.3
Interest expense	110.5			—			2.1			(0.2		)	112.4
Income tax expense	94.9			(8.7		)	(1.8		)	—			84.4
Net income (loss)	$	249.0		$	(9.2	)	$	2.1		$	—		$	241.9
Investment in unconsolidated affiliates	$	—		$	1,202.2		$	—		$	—		$	1,202.2
Total assets	$	8,570.7		$	1,541.5		$	134.0		$	(628.4	)	$	9,617.8



Nine Months Ended September 30, 2014	Electric Utility			Natural Gas Midstream Operations			Other Operations			Eliminations			Total
(In millions)
Operating revenues	$	1,926.9		$	—		$	—		$	—		$	1,926.9
Cost of sales	869.6			—			—			—			869.6
Other operation and maintenance	343.1			0.7			(11.9		)	—			331.9
Depreciation and amortization	198.7			—			8.5			—			207.2
Taxes other than income	63.1			—			3.4			—			66.5
Operating income (loss)	452.4			(0.7		)	—			—			451.7
Equity in earnings of unconsolidated affiliates (A)	—			131.9			—			—			131.9
Other income (expense)	4.5			—			(0.8		)	(0.2		)	3.5
Interest expense	106.7			—			6.0			(0.2		)	112.5
Income tax expense	95.3			49.6			(7.7		)	—			137.2
Net income (loss)	$	254.9		$	81.6		$	0.9		$	—		$	337.4
Investment in unconsolidated affiliates	$	—		$	1,311.1		$	—		$	—		$	1,311.1
Total assets	$	8,003.1		$	1,427.2		$	204.1		$	(171.7	)	$	9,462.7


(A)	The Company recorded a $108.4 million pre-tax charge during the nine months ended September 30, 2015 for its share of Enable's goodwill impairment, as adjusted for the basis differences. See Note 3 of this Form 10-Q for further discussion of Enable's goodwill impairment.