Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
REVENUE:
Tuition and registration fees	$ 420,302	$ 497,110	$ 1,423,366	$ 1,515,747
Other	11,012	27,032	48,502	65,560
Total revenue	431,314	524,142	1,471,868	1,581,307
OPERATING EXPENSES:
Educational services and facilities	155,597	158,112	486,027	474,192
General and administrative	237,477	308,386	708,137	829,446
Depreciation and amortization	22,446	17,783	63,319	51,610
Goodwill and asset impairment		354	2,676	354
Total operating expenses	415,520	484,635	1,260,159	1,355,602
Operating income	15,794	39,507	211,709	225,705
OTHER INCOME:
Interest income	270	190	770	689
Interest expense	(43)	(30)	(93)	(75)
Miscellaneous (expense) income	(38)	764	2,031	(501)
Total other income	189	924	2,708	113
PRETAX INCOME	15,983	40,431	214,417	225,818
Provision for income taxes	4,708	12,567	73,797	74,538
INCOME FROM CONTINUING OPERATIONS	11,275	27,864	140,620	151,280
LOSS FROM DISCONTINUED OPERATIONS, net of tax	(641)	(1,733)	(1,598)	(5,609)
NET INCOME	$ 10,634	$ 26,131	$ 139,022	$ 145,671
NET INCOME (LOSS) PER SHARE-BASIC:
Income from continuing operations	$ 0.15	$ 0.35	$ 1.88	$ 1.89
Loss from discontinued operations	$ (0.01)	$ (0.02)	$ (0.02)	$ (0.07)
Net income per share	$ 0.14	$ 0.33	$ 1.86	$ 1.82
NET INCOME (LOSS) PER SHARE-DILUTED:
Income from continuing operations	$ 0.15	$ 0.35	$ 1.86	$ 1.86
Loss from discontinued operations	$ (0.01)	$ (0.02)	$ (0.02)	$ (0.07)
Net income per share	$ 0.14	$ 0.33	$ 1.84	$ 1.79
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic	73,582	78,919	74,858	80,206
Diluted	74,058	79,819	75,518	81,195