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INTANGIBLE ASSETS (Summary of Indefinite-Lived Intangible Assets Balances by Reporting Unit) (Detail) - USD ($) $ in Thousands | Sep. 30, 2016 | Sep. 30, 2015
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Indefinite-lived Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets balances | $ 360,295 | $ 288,942
Medical and Healthcare |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets balances | 157,700 |
International and Professional Education |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets balances | 200,950 |
Business, Technology and Management |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets balances | $ 1,645 |

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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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