INTANGIBLE ASSETS - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
	May 31, 2016	Mar. 31, 2017	Jun. 30, 2016	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2015
Intangible Assets [Line Items]
Amortization of Intangible Assets		$ 2,792		$ 1,412	$ 8,487	$ 3,962
Indefinite-lived Intangible Assets, Period Increase (Decrease)					41,400
Goodwill		861,001	$ 588,007	565,012	861,001	565,012
Intangible Assets, Net (Excluding Goodwill), Total		$ 422,949	342,856	371,046	$ 422,949	371,046
Percentage Of Intangible Assets Including Goodwill		55.00%			55.00%
Goodwill, Acquired During Period			7,761		$ 274,620	108,246	$ 55,915
Devry University [Member]
Intangible Assets [Line Items]
Fair Value In Excess Of Carrying Value Percentage	6.00%
Goodwill		$ 22,196	22,196	22,196	22,196	22,196
Potential Impairment Of Goodwill And Intangible Assets					23,800
Percentage Of Cost Savings On Revenue Decline	90.00%
Carrington [Member]
Intangible Assets [Line Items]
Goodwill		0	0	$ 5,811	0	$ 5,811
Potential Impairment Of Intangible Assets		$ 20,200			20,200
Carrington [Member] | Title Four Eligibility And Accreditations [Member]
Intangible Assets [Line Items]
Goodwill and Intangible Asset Impairment, Total			$ 48,200
Association Of Certified Anti-Money Laundering Specialists [Member]
Intangible Assets [Line Items]
Indefinite-lived Intangible Assets Acquired					39,900
Goodwill, Acquired During Period					$ 274,600