Quarterly Summary of Operations (Tables)

12 Months Ended

Dec. 31, 2011

Quarterly Summary of Operations Tables [Abstract]

Quarterly Summary of Operations

(In thousands, except per share amounts)		Quarters Ended
2011		March 31		June 30		September 30		December 31
Operating revenues:
Regulated electric revenues	$	86,007	$	90,834	$	114,963	$	84,054
Regulated gas revenues		77,437		25,062		17,249		45,523
Nonregulated revenues		1,161		1,363		1,360		1,369
Total		164,605		117,259		133,572		130,946
Operating expenses		133,707		94,062		97,238		113,507
Operating income		30,898		23,197		36,334		17,439
Interest and other income, net		(2,464)		(2,902)		(2,801)		(2,781)
Income tax provision		(10,651)		(7,572)		(12,495)		(5,274)
Earnings on common stock	$	17,783	$	12,723	$	21,038	$	9,384
Earnings per common share	$	0.77	$	0.55	$	0.91	$	0.41
Dividends per share	$	0.375	$	0.375	$	0.383	$	0.383
2010
Operating revenues:
Regulated electric revenues	$	81,994	$	87,438	$	109,849	$	81,448
Regulated gas revenues		76,547		20,290		17,394		51,684
Nonregulated revenues		1,102		1,354		695		2,796
Total		159,643		109,082		127,938		135,928
Operating expenses		137,868		88,960		93,586		115,575
Operating income		21,775		20,122		34,352		20,353
Interest and other income, net		813		(2,098)		(1,453)		(2,326)
Income tax provision		(8,328)		(6,472)		(12,990)		(6,030)
Earnings on common stock	$	14,260	$	11,552	$	19,909	$	11,997
Earnings per common share	$	0.62	$	0.50	$	0.86	$	0.52
Dividends per share	$	0.368	$	0.368	$	0.375	$	0.375