Quarterly Results of Operations

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information [Text Block]

QUARTERLY RESULTS OF OPERATIONS (UNAUDITED)

A summary of quarterly results of operations for the years ended December 31, 2012 and 2011 follows. Certain amounts have been reclassified to conform to the current presentation of discontinued operations (in thousands, except per share amounts).



	QUARTER ENDED
	DEC. 31,	SEPT. 30,		JUNE 30,	MAR. 31,	DEC. 31,	SEPT. 30,	JUNE 30,	MAR. 31,
	2012	2012		2012	2012	2011	2011	2011 ⁽²⁾	2011

Operating revenue	$176,227	$171,727		$168,567	$169,031	$168,704	$165,192	$163,948	$165,397
Income from continuing operations	32,178	31,742		34,460	35,450	34,387	35,889	38,987	30,798
Discontinued operations	8,392	(1,845	)	3,221	4,153	6,858	5,792	53,854	4,145
Net income	40,570	29,897		37,681	39,603	41,245	41,681	92,841	34,943
Income per common share - basic (1)	0.33	0.24		0.29	0.32	0.30	0.31	0.74	0.25
Income per common share - diluted (1)	0.32	0.24		0.29	0.32	0.30	0.31	0.74	0.25


(1)	The sum of quarterly financial data may vary from the annual data due to rounding.


(2)	Includes gain on sale included in discontinued operations of $50.2 million.

- 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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