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INTANGIBLE ASSETS (Summary of Goodwill Balances by Reporting Segment) (Detail) - USD ($) $ in Thousands | Sep. 30, 2018 | Jun. 30, 2018 | Sep. 30, 2017
--- | --- | --- | ---
Goodwill [Line Items] |  |  |
Goodwill | $ 805,285 | $ 813,887 | $ 838,669
Medical And Healthcare [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 310,210 | 310,210 | 310,210
Professional Education [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 317,029 | 317,699 | 306,776
Technology and Business [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | $ 178,046 | $ 185,978 | $ 221,683

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Details
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