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INTANGIBLE ASSETS (Schedule of Intangible Assets) (Detail) - USD ($) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 | Jun. 30, 2017 | Dec. 31, 2016
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 74,424 | $ 75,859 | $ 78,185
Amortizable Intangible Assets, Accumulated Amortization | (23,339) | (19,839) | (16,508)
Indefinite-lived Intangible Assets, Gross Carrying Amount | 355,915 | 356,138 | 358,206
Student Relationships [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | 11,049 | 12,459 | 12,657
Amortizable Intangible Assets, Accumulated Amortization | $ (8,999) | (9,323) | (8,324)
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 | $ (7,261) | (4,923) | (2,547)
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 | $ (682) | (665) | (1,226)
Amortizable Intangible Assets, Weighted Average Amortization Period | 1 year |  |
Curriculum/Software [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 7,143 | 7,147 | 8,143
Amortizable Intangible Assets, Accumulated Amortization | $ (3,375) | (2,329) | (2,206)
Amortizable Intangible Assets, Weighted Average Amortization Period | 4 years |  |
Franchise Contracts [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 10,597 | 10,615 | 10,783
Amortizable Intangible Assets, Accumulated Amortization | $ (1,717) | (1,425) | (1,148)
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 | $ (187) | (125) | (63)
Amortizable Intangible Assets, Weighted Average Amortization Period | 4 years |  |
Clinical Agreements [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 392 | 393 | 399
Amortizable Intangible Assets, Accumulated Amortization | $ (118) | (104) | (93)
Amortizable Intangible Assets, Weighted Average Amortization Period | 15 years |  |
Trade Names [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 1,143 | 1,145 | 1,163
Amortizable Intangible Assets, Accumulated Amortization | (1,000) | (945) | (901)
Indefinite-lived Intangible Assets, Gross Carrying Amount | $ 109,462 | 109,519 | 110,048
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
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 | $ 97,013 | $ 97,179 | $ 98,718

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