INTANGIBLE ASSETS (Summary of Indefinite-Lived Intangible Assets Balances by Reporting Unit) (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	$ 288,942	$ 280,122
Medical and Healthcare
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	204,700
International and Professional Education
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	82,597
Business, Technology and Management
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	$ 1,645