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INTANGIBLE ASSETS (Schedule of Intangible Assets) (Detail) - USD ($) $ in Thousands | 9 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2019 | Jun. 30, 2018 | Mar. 31, 2018
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 68,405 | $ 69,502 | $ 73,009
Amortizable Intangible Assets, Accumulated Amortization | (29,754) | (24,521) | (24,096)
Indefinite-lived Intangible Assets, Gross Carrying Amount | 316,496 | 317,950 | 336,229
Student Relationships [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | 7,952 | 8,193 | 9,601
Amortizable Intangible Assets, Accumulated Amortization | $ (7,401) | (6,972) | (7,831)
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 | $ (13,071) | (9,598) | (8,430)
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
Amortizable Intangible Assets, Accumulated Amortization |  | (700) | (691)
Curriculum/Software [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 6,810 | 6,833 | 7,148
Amortizable Intangible Assets, Accumulated Amortization | $ (5,775) | (4,265) | (3,901)
Amortizable Intangible Assets, Weighted Average Amortization Period | 4 years |  |
Franchise Contracts [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 8,947 | 9,064 | 10,621
Amortizable Intangible Assets, Accumulated Amortization | $ (2,071) | (1,720) | (1,868)
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 | $ (344) | (250) | (219)
Amortizable Intangible Assets, Weighted Average Amortization Period | 4 years |  |
Clinical Agreements [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 331 | 336 | 393
Amortizable Intangible Assets, Accumulated Amortization | $ (127) | (112) | (125)
Amortizable Intangible Assets, Weighted Average Amortization Period | 15 years |  |
Trade Names [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 965 | 976 | 1,146
Amortizable Intangible Assets, Accumulated Amortization | (965) | (904) | (1,031)
Indefinite-lived Intangible Assets, Gross Carrying Amount | $ 105,745 | 106,132 | 109,755
Amortizable Intangible Assets, Weighted Average Amortization Period | 10 years |  |
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
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 | $ 81,511 | $ 82,578 | $ 97,234

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