Selected Quarterly Financial Data

12 Months Ended

Dec. 31, 2012

Selected Quarterly Financial Data

16. Selected Quarterly Financial Data (Unaudited)

Fiscal Quarters Year Ended December 31, 2012	First		Second		Third		Fourth
Revenues, net	$	146,165	$	171,820	$	186,932	$	202,617
Operating income		64,475		81,448		85,834		93,171
Net income		42,079		54,401		59,648		60,071
Earnings per share:
Basic earnings per share	$	0.51	$	0.65	$	0.71	$	0.72
Diluted earnings per share		0.49		0.63		0.69		0.70
Weighted average shares outstanding:
Basic weighted average shares outstanding		82,565		83,294		84,002		83,378
Diluted weighted average shares outstanding		85,164		85,737		86,224		85,750

Fiscal Quarters Year Ended December 31, 2011	First		Second		Third		Fourth
Revenues, net	$	111,005	$	134,213	$	134,213	$	140,160
Operating income		50,487		59,892		61,723		54,232
Net income		32,335		36,715		40,514		37,771
Earnings per share:
Basic earnings per share	$	0.40	$	0.46	$	0.50	$	0.46
Diluted earnings per share		0.39		0.44		0.48		0.45
Weighted average shares outstanding:
Basic weighted average shares outstanding		79,937		80,151		80,819		81,512
Diluted weighted average shares outstanding		83,378		83,548		83,649		84,035

The sum of the quarterly earnings per common share amounts for 2012 and 2011 do not equal the earnings per common share for the years ended December 31, 2012 and 2011 due to rounding.