Summary of Table Sets Forth the Effect of Restatement on Affected Line Items in Condensed Consolidated Statement of Income (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Condensed Consolidated Statement of Income Data:
Revenue	$ 237,923	$ 285,062
Costs and expenses:
Cost of educational services	120,115	124,176
Student services and administrative expenses	99,238	101,721
Legal and professional fees related to certain lawsuits, investigations and accounting matters	5,547	1,500
Loss related to loan program guarantees	0
Total costs and expenses	224,900	231,200
Operating income	13,023	53,862
Interest income	19	34
Interest (expense)	(11,812)	(3,574)
Income (loss) before provision for income taxes	1,230	(22,926)
Provision for income taxes	471	(5,655)
Net income	$ 759	$ (17,271)	$ (9,753)
Earnings per share:
Basic	$ 0.03	$ (0.74)
Diluted	$ 0.03	$ (0.74)
Weighted average shares outstanding:
Basic	23,447	23,397
Diluted	23,844	23,397
As Previously Reported [Member]
Condensed Consolidated Statement of Income Data:
Revenue	$ 237,923
Costs and expenses:
Cost of educational services	120,115
Student services and administrative expenses	99,238
Legal and professional fees related to certain lawsuits, investigations and accounting matters	5,547
Loss related to loan program guarantees	0
Total costs and expenses	224,900
Operating income	13,023
Interest income	19
Interest (expense)	(6,901)
Income (loss) before provision for income taxes	6,141
Provision for income taxes	2,519
Net income	$ 3,622
Earnings per share:
Basic	$ 0.15
Diluted	$ 0.15
Weighted average shares outstanding:
Basic	23,447
Diluted	23,844
Interest Method Adjustment [Member]
Condensed Consolidated Statement of Income Data:
Revenue	$ 0
Costs and expenses:
Cost of educational services	0
Student services and administrative expenses	0
Legal and professional fees related to certain lawsuits, investigations and accounting matters	0
Loss related to loan program guarantees	0
Total costs and expenses	0
Operating income	0
Interest income	0
Interest (expense)	(4,911)
Income (loss) before provision for income taxes	(4,911)
Provision for income taxes	(2,048)
Net income	$ (2,863)
Earnings per share:
Basic	$ (0.12)
Diluted	$ (0.12)
Weighted average shares outstanding:
Basic	0
Diluted	0