Summarized Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Data [Abstract]

Summarized Quarterly Financial Information

SUMMARIZED QUARTERLY FINANCIAL DATA (Unaudited)

The Company’s business is seasonal in character. The following data summarizes quarterly operating results.

	Year ended December 31, 2013
(in thousands, except per share amounts)	First			Second			Third			Fourth
Operating revenues as originally reported	$	492,679		$	490,057		$	320,406		$	472,733
Discontinued operations*	(18,663		)	(18,562		)	—			—
Adjusted operating revenues	$	474,016		$	471,495		$	320,406		$	472,733
Operating income (loss) as originally reported	$	105,336		$	146,304		$	(4,052	)	$	110,630
Discontinued operations*	(3,146		)	(3,871		)	—			—
Adjusted operating income (loss)	$	102,190		$	142,433		$	(4,052	)	$	110,630
Income (loss) from continuing operations	$	54,694		$	80,614		$	(5,486	)	$	63,325
Net income (loss)	$	56,692		$	83,067		$	(19,298	)	$	84,093
Diluted earnings per average common share
Continuing operations	$	0.76		$	1.11		$	(0.08	)	$	0.87
Net income (loss)	$	0.78		$	1.15		$	(0.27	)	$	1.15
Basic earnings per average common share
Continuing operations	$	0.76		$	1.12		$	(0.08	)	$	0.87
Net income (loss)	$	0.79		$	1.15		$	(0.27	)	$	1.16

* As discussed in Note 13, Discontinued Operations, during the fourth quarter of 2013, the Company completed the sale of its Black Warrior Basin coalbed methane properties in Alabama. The property was classified as held-for-sale and reflected in discontinued operations during the third quarter of 2013. Also, during the third quarter of 2013, the Company classified its North Louisiana/East Texas natural gas and oil properties as held-for-sale and reflected the associated operating results in discontinued operations.

	Year ended December 31, 2012
(in thousands, except per share amounts)	First			Second			Third			Fourth
Operating revenues as originally reported	$	418,444		$	470,355		$	295,324		$	433,046
Discontinued operations	(20,255		)	(18,451		)	(18,895		)	(18,749		)
Adjusted operating revenues	$	398,189		$	451,904		$	276,429		$	414,297
Operating income as originally reported	$	104,170		$	220,598		$	19,458		$	115,166
Discontinued operations	16,324			(4,751		)	(5,494		)	(3,557		)
Adjusted operating income	$	120,494		$	215,847		$	13,964		$	111,609
Income (loss) from continuing operations	$	67,868		$	128,305		$	(1,505	)	$	60,552
Net income	$	57,406		$	131,287		$	2,046		$	62,823
Diluted earnings per average common share
Continuing operations	$	0.94		$	1.77		$	(0.02	)	$	0.84
Net income	$	0.79		$	1.82		$	0.03		$	0.87
Basic earnings per average common share
Continuing operations	$	0.94		$	1.78		$	(0.02	)	$	0.84
Net income	$	0.80		$	1.82		$	0.03		$	0.87

Alagasco’s business is seasonal in character and influenced by weather conditions. The following data summarizes Alagasco’s quarterly operating results.

	Year ended December 31, 2013
(in thousands)	First		Second			Third			Fourth
Operating revenues	$	237,685	$	104,514		$	48,368		$	142,771
Operating income (loss)	$	79,293	$	2,219		$	(22,544	)	$	34,800
Net income (loss)	$	47,222	$	(704	)	$	(8,961	)	$	19,842

	Year ended December 31, 2012
(in thousands)	First		Second		Third			Fourth
Operating revenues	$	194,487	$	70,887	$	61,809		$	124,406
Operating income (loss)	$	78,560	$	4,448	$	(12,743	)	$	22,951
Net income (loss)	$	46,918	$	326	$	(10,039	)	$	12,197