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INTANGIBLE ASSETS (Schedule of Intangible Assets) (Detail) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2017 | Jun. 30, 2017 | Sep. 30, 2016
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 75,599 | $ 75,859 | $ 79,910
Amortizable Intangible Assets, Accumulated Amortization | (21,445) | (19,839) | (14,116)
Indefinite-lived Intangible Assets, Gross Carrying Amount | 363,607 | 357,783 | 360,295
Student Relationships [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | 11,561 | 12,459 | 14,333
Amortizable Intangible Assets, Accumulated Amortization | $ (8,860) | (9,323) | (8,107)
Amortizable Intangible Assets, Weighted Average Amortization Period | 5 years |  |
Customer Relationships [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 42,900 | 42,900 | 42,900
Amortizable Intangible Assets, Accumulated Amortization | $ (6,092) | (4,923) | (1,367)
Amortizable Intangible Assets, Weighted Average Amortization Period | 10 years |  |
Non-compete Agreements [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 700 | 700 | 1,640
Amortizable Intangible Assets, Accumulated Amortization | $ (674) | (665) | (1,012)
Amortizable Intangible Assets, Weighted Average Amortization Period | 1 year |  |
Curriculum/Software [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 7,243 | 7,147 | 8,151
Amortizable Intangible Assets, Accumulated Amortization | $ (2,887) | (2,329) | (1,635)
Amortizable Intangible Assets, Weighted Average Amortization Period | 4 years |  |
Franchise Contracts [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 11,088 | 10,615 | 10,818
Amortizable Intangible Assets, Accumulated Amortization | $ (1,643) | (1,425) | (1,002)
Amortizable Intangible Assets, Weighted Average Amortization Period | 18 years |  |
Proprietary Technology [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 500 | 500 | 500
Amortizable Intangible Assets, Accumulated Amortization | $ (156) | (125) | (31)
Amortizable Intangible Assets, Weighted Average Amortization Period | 4 years |  |
Clinical Agreements [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 411 | 393 | 401
Amortizable Intangible Assets, Accumulated Amortization | $ (116) | (104) | (87)
Amortizable Intangible Assets, Weighted Average Amortization Period | 15 years |  |
Trade Names [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 1,196 | 1,145 | 1,167
Amortizable Intangible Assets, Accumulated Amortization | (1,017) | (945) | (875)
Indefinite-lived Intangible Assets, Gross Carrying Amount | $ 111,010 | 109,519 | 110,162
Amortizable Intangible Assets, Weighted Average Amortization Period | 10 years |  |
Trademarks [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | $ 1,645 | 1,645 | 1,645
Ross Title IV Eligibility and Accreditations [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 14,100 | 14,100 | 14,100
Intellectual Property [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 13,940 | 13,940 | 13,940
Chamberlain Title IV Eligibility and Accreditations [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 1,200 | 1,200 | 1,200
Carrington Title IV Eligibility and Accreditations [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 20,200 | 20,200 | 20,200
AUC Title IV Eligibility and Accreditations [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 100,000 | 100,000 | 100,000
Adtalem Brazil Accreditation [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | $ 101,512 | $ 97,179 | $ 99,048

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