Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Data (Unaudited) [Abstract]

25.	Quarterly Financial Data (Unaudited)

Information in any one quarterly period is not indicative of annual results due to the seasonal variations common to the Company's utility operations. Summarized quarterly financial data for 2011 and 2010 follows:


(In millions, except per share amounts)			Q1		Q2		Q3		Q4
2011
	Operating revenues	$	682.6	$	475.8	$	539.4	$	627.4
	Operating income		103.3		61.6		94.1		111.0
	Net income		44.6		15.1		35.3		46.6
	Earnings per share:
	Basic	$	0.55	$	0.19	$	0.43	$	0.56
	Diluted		0.55		0.18		0.43		0.56
2010
	Operating revenues	$	740.3	$	402.4	$	422.7	$	564.1
	Operating income		116.2		52.1		58.6		89.9
	Net income		63.2		8.7		16.4		45.4
	Earnings per share:
	Basic	$	0.78	$	0.11	$	0.20	$	0.56
	Diluted		0.78		0.11		0.20		0.55

- Definition

The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.

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