Summary Unaudited Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2012

Summary Unaudited Quarterly Financial Information

Summary Unaudited Quarterly Financial Information

A summary of the unaudited quarterly results of operations for the years ended December 31, 2012 and 2011 is presented below (in thousands except share amounts).

	Year Ended December 31, 2012
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenue	$	372,903	$	343,183	$	425,861	$	374,825
Operating income		47,027		58,722		81,634		54,482
Net income		26,618		33,678		85,260		28,163
Income per common share from continuing operations attributable to the controlling interest:
Basic	$	0.44	$	0.56	$	1.42	$	0.47
Diluted	$	0.44	$	0.55	$	1.39	$	0.46

	Year Ended December 31, 2011
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenue	$	356,545	$	387,679	$	406,950	$	402,487
Operating income		53,882		74,706		60,173		63,984
Net income		26,773		94,594		24,611		43,819
Income (loss) per common share from continuing operations attributable to the controlling interest:
Basic	$	0.45	$	1.58	$	0.41	$	0.73
Diluted	$	0.44	$	1.56	$	0.41	$	0.72