Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2011

Information related to the Company's business segments is summarized as follows:

	Year Ended December 31,
(In millions)	2011			2010			2009
Revenues
Utility Group
Gas Utility Services	$	819.1		$	954.1		$	1,066.0
Electric Utility Services		635.9			608.0			528.6
Other Operations		43.9			44.5			42.8
Eliminations		(41.9	)		(42.9	)		(41.2	)
Total Utility Group		1,457.0			1,563.7			1,596.2
Nonutility Group
Infrastructure Services		421.3			235.6			202.0
Energy Services		161.8			146.9			121.3
Coal Mining		285.6			209.9			193.4
Energy Marketing		149.9			142.8			157.2
Total Nonutility Group		1,018.6			735.2			673.9
Eliminations		(150.4	)		(169.4	)		(181.2	)
Consolidated Revenues	$	2,325.2		$	2,129.5		$	2,088.9

Schedule of segment profitability measure

Profitability Measures - Net Income
Utility Group Net Income
Gas Utility Services	$	52.5		$	53.7		$	50.2
Electric Utility Services		65.0			60.9			48.3
Other Operations		5.4			9.3			8.9
Total Utility Group Net Income		122.9			123.9			107.4
Nonutility Group Net Income
Infrastructure Services		14.9			3.1			2.4
Energy Services		6.7			6.4			8.4
Coal Mining		16.6			11.9			13.4
Energy Marketing		(4.2	)		(4.2	)		4.1
Other Businesses		(10.2	)		(7.4	)		(2.5	)
Total Nonutility Group Net Income		23.8			9.8			25.8
Corporate & Other Net Loss		(5.1	)		-			(0.1	)
Consolidated Net Income	$	141.6		$	133.7		$	133.1

	Year Ended December 31,
(In millions)	2011			2010			2009
Amounts Included in Profitability Measures
Depreciation & Amortization
Utility Group
Gas Utility Services	$	84.3		$	80.7		$	76.9
Electric Utility Services		80.2			80.8			77.5
Other Operations		27.8			26.7			26.5
Total Utility Group		192.3			188.2			180.9
Nonutility Group
Infrastructure Services		14.9			8.8			8.3
Energy Services		1.5			1.2			1.2
Coal Mining		35.1			30.4			21.0
Energy Marketing		0.5			0.5			0.5
Total Nonutility Group		52.0			40.9			31.0
Consolidated Depreciation & Amortization	$	244.3		$	229.1		$	211.9
Interest Expense
Utility Group
Gas Utility Services	$	37.1		$	38.8		$	38.8
Electric Utility Services		36.4			36.4			34.8
Other Operations		6.8			6.2			5.6
Total Utility Group		80.3			81.4			79.2
Nonutility Group
Infrastructure Services		7.4			3.3			2.6
Energy Services		0.6			0.2			0.6
Coal Mining		11.3			10.1			8.1
Energy Marketing		6.4			8.5			8.3
Other Businesses		1.3			1.5			1.3
Total Nonutility Group		27.0			23.6			20.9
Corporate & Other		(0.8	)		(0.4	)		(0.1	)
Consolidated Interest Expense	$	106.5		$	104.6		$	100.0

Schedule of segment income taxes and capital expenditures

Income Taxes
Utility Group
Gas Utility Services	$	34.5		$	35.1		$	31.3
Electric Utility Services		45.3			40.8			27.4
Other Operations		3.1			1.2			0.5
Total Utility Group		82.9			77.1			59.2
Nonutility Group
Infrastructure Services		10.7			2.7			2.1
Energy Services		1.1			2.5			1.6
Coal Mining		3.9			1.9			4.1
Energy Marketing		(2.4	)		(2.7	)		0.3
Other Businesses		(7.0	)		(5.9	)		(2.2	)
Total Nonutility Group		6.3			(1.5	)		5.9
Corporate & Other		(2.8	)		(0.9	)		(1.0	)
Consolidated Income Taxes	$	86.4		$	74.7		$	64.1

	Year Ended December 31,
(In millions)	2011			2010			2009
Capital Expenditures
Utility Group
Gas Utility Services	$	113.5		$	88.7		$	121.1
Electric Utility Services		102.2			120.1			154.1
Other Operations		17.8			22.5			16.7
Non-cash costs & changes in accruals		(0.1	)		(6.2	)		10.8
Total Utility Group		233.4			225.1			302.7
Nonutility Group
Infrastructure Services		22.8			12.0			11.0
Energy Services		9.7			1.2			1.9
Coal Mining		55.1			38.7			126.8
Energy Marketing		0.3			0.2			0.6
Other Businesses, net of eliminations		-			-			(11.0	)
Total Nonutility Group		87.9			52.1			129.3
Consolidated Capital Expenditures	$	321.3		$	277.2		$	432.0

Schedule of segment assets

At December 31,
(In millions)		2011			2010			2009
Assets
Utility Group
Gas Utility Services	$	2,125.2		$	2,161.7		$	2,102.4
Electric Utility Services		1,656.5			1,666.5			1,592.4
Other Operations, net of eliminations		192.8			96.3			128.3
Total Utility Group		3,974.5			3,924.5			3,823.1
Nonutility Group
Infrastructure Services		295.0			174.6			141.4
Energy Services		81.2			67.4			54.5
Coal Mining		352.8			362.5			342.8
Energy Marketing		112.5			209.1			229.6
Other Businesses		39.6			57.1			65.7
Eliminations & Reclassifications		7.2			(2.2	)		2.0
Total Nonutility Group		888.3			868.5			836.0
Corporate & Other		727.3			706.2			715.9
Eliminations		(711.2	)		(735.0	)		(703.2	)
Consolidated Assets	$	4,878.9		$	4,764.2		$	4,671.8

- Definition

Tabular disclosure of all significant reconciling items in the reconciliation of total profit or loss from reportable segments, to the entity's consolidated income before income taxes, extraordinary items, and discontinued operations.

+ References+ Details

- Definition

Tabular disclosure of each significant reconciling item, other than profit (loss), revenues, or assets, in the reconciliation of totals of such items in reportable segments to the entity's corresponding consolidated amount.

+ References+ Details

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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