Intangible Assets - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended				12 Months Ended			3 Months Ended	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Mar. 31, 2013	Jun. 30, 2013 Maximum	Jun. 30, 2013 Minimum	Jun. 30, 2012 All other except for Carrington	Jun. 30, 2013 Carrington Colleges Group Inc	Jun. 30, 2013 Carrington Colleges Group Inc	Jun. 30, 2012 Carrington Colleges Group Inc	Jun. 30, 2013 American University of the Caribbean	Jun. 30, 2013 Faculdade Boa Viagem Maximum	Jun. 30, 2013 Faculdade Boa Viagem Minimum	Jun. 30, 2013 Devry University [Member]	Jun. 30, 2012 Devry Brasil [Member]	Jun. 30, 2013 Devry Brasil [Member]	Mar. 31, 2013 Carrington [Member]	Dec. 31, 2012 Carrington [Member]	Sep. 30, 2012 Carrington [Member]
Intangible Assets [Line Items]
Amortization Expenses For Amortized Intangible Assets		$ 9,500,000	$ 9,400,000	$ 4,300,000
Percentage decline in revenue compared to prior periods	2.00%	41.00%	47.00%												16.00%
Impairment of goodwill		53,094,000	50,914,000						53,100,000	53,100,000	53,100,000
Percentage of estimated fair values exceeded carrying values								25.00%				1.00%	67.00%	4.00%	100.00%
Intangible asset written down									57,000,000
Estimated fair value of finite-lived intangible assets									67,200,000	67,200,000
Goodwill and other intangibles impairment charges, income tax benefit									7,500,000
Goodwill, fair value									98,800,000	98,800,000
Increase in indefinite-lived intangible assets			4,400,000
Addition in indefinite-lived Intangible Assets			11,300,000												1,600,000
Goodwill	508,937,000	508,937,000	549,961,000	523,620,000					98,784,000	98,784,000					22,196,000		45,107,000
Percentage Of Net Profit		8.00%
Impairment charges on Intangible Assets, Indefinite-lived									3,900,000	3,900,000						3,900,000
Percentage of student enrollments increased					9.00%													17.50%	12.70%	33.30%
Percentage Of Operating Loss Increased		300.00%
Goodwill, Acquired During Period		$ 16,120,000	$ 86,112,000
Discount Rate Used For Assumption On Growth Rates And Risk						16.00%	13.00%
Percentage Of Operating Profit		55.00%
Basis points in the discount rates		100