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INTANGIBLE ASSETS (Summary of Indefinite-Lived Intangible Assets Balances by Reporting Unit) (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Jun. 30, 2016
Dec. 31, 2015
Indefinite-lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets balances $ 359,851 $ 322,226 $ 336,632
Medical and Healthcare      
Indefinite-lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets balances 157,700 157,700 198,200
International and Professional Education      
Indefinite-lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets balances 200,506 162,881 136,787
Business, Technology and Management      
Indefinite-lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets balances $ 1,645 $ 1,645 $ 1,645