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INTANGIBLE ASSETS (Summary of Goodwill Balances by Reporting Unit) (Detail) - USD ($) $ in Thousands | Sep. 30, 2017 | Jun. 30, 2017 | Sep. 30, 2016
--- | --- | --- | ---
Goodwill [Line Items] |  |  |
Goodwill | $ 860,865 | $ 851,282 | $ 854,188
Chamberlain [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 4,716 | 4,716 | 4,716
AUC [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 68,321 | 68,321 | 68,321
RUSM and RUSVM [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 237,173 | 237,173 | 237,173
Becker and ACAMS [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 306,776 | 306,653 | 306,642
Adtalem Brazil [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 221,683 | 212,223 | 215,140
DeVry University [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | $ 22,196 | $ 22,196 | $ 22,196

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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