INTANGIBLE ASSETS (Summary of Indefinite-Lived Intangible Assets Balances by Reporting Unit) (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	$ 302,315	$ 283,414
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	95,970
Business, Technology and Management
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	$ 1,645