INTANGIBLE ASSETS (Summary of Goodwill Balances by Reporting Unit) (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016	Sep. 30, 2015
Intangible Assets [Line Items]
Goodwill	$ 854,188	$ 588,007	$ 533,179
American University of the Caribbean School of Medicine [Member]
Intangible Assets [Line Items]
Goodwill	68,321
Ross University School of Medicine and Ross University School of Veterinary Medicine [Member]
Intangible Assets [Line Items]
Goodwill	237,173
Chamberlain College Of Nursing [Member]
Intangible Assets [Line Items]
Goodwill	4,716
DeVry Brasil [Member]
Intangible Assets [Line Items]
Goodwill	215,140
Becker Professional Education [Member]
Intangible Assets [Line Items]
Goodwill	306,642
DeVry University [Member]
Intangible Assets [Line Items]
Goodwill	$ 22,196