Income Statements (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended
Mar. 31, 2011	Mar. 31, 2010
Income Statements [Abstract]
Net revenue	$ 101,709	$ 89,326
Costs and expenses:
Instructional costs and services	48,875	36,660
Selling and promotional, including $401 and $2,347 to related parties for March 31, 2011 and 2010, respectively	29,832	26,876
General and administrative	6,832	6,104
Exit costs		89
Total costs and expenses	85,539	69,729
Operating income	16,170	19,597
Interest expense	(107)	(344)
Interest income	32	61
Income before income taxes	16,095	19,314
Income tax expense	6,614	7,834
Net income	$ 9,481	$ 11,480
Earnings per share:
Basic income per share	$ 0.21	$ 0.25
Diluted income per share	$ 0.21	$ 0.25
Basic weighted average shares outstanding	45,590	45,674
Diluted weighted average shares outstanding	46,089	46,325

Costs directly attributable to educational services, including salaries and benefits for full-time faculty, administrators and academic advisors, and costs associated with adjunct faculty. Also includes costs for educational supplies such as books, costs associated with academic records and graduation, and other university services such as evaluating transcripts.

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