CONDENSED CONSOLIDATED STATEMENTS OF INCOME (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Income Statement [Abstract]
Revenue	$ 285,062	$ 339,209
Costs and expenses:
Cost of educational services	124,176	134,941
Student services and administrative expenses	101,721	101,319
Legal and other investigation costs	1,500	0
Loss related to loan program guarantees	3,803	3,054
Total costs and expenses	231,200	239,314
Operating income	53,862	99,895
(Loss) on consolidation of PEAKS Trust	(73,248)	0
Interest income	34	681
Interest (expense)	(3,574)	(547)
Income (loss) before provision for income taxes	(22,926)	100,029
Provision (benefit) for income taxes	(5,655)	39,384
Net income (loss)	$ (17,271)	$ 60,645	$ 78,325
Earnings (loss) per share:
Basic	$ (0.74)	$ 2.39
Diluted	$ (0.74)	$ 2.37
Weighted average shares outstanding:
Basic	23,397	25,420
Diluted	23,397	25,636