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DIVIDENDS AND STOCK REPURCHASE PROGRAMS - Additional Information (Detail) - USD ($) $ in Thousands |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 23, 2015 | Dec. 22, 2016 | Jun. 24, 2016 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016 | Feb. 16, 2017
Share Repurchases [Line Items] |  |  |  |  |  |  |
Payments for Repurchase of Common Stock |  |  |  | $ 137,028 | $ 48,508 | $ 32,634 |
Tenth share repurchase plan [Member] |  |  |  |  |  |  |
Share Repurchases [Line Items] |  |  |  |  |  |  |
Payments for Repurchase of Common Stock |  |  |  | $ 137,000 |  |  |
Treasury Stock Shares Acquired |  |  |  | 3,544,845 |  |  |
Maximum | Tenth share repurchase plan [Member] |  |  |  |  |  |  |
Share Repurchases [Line Items] |  |  |  |  |  |  |
Authorized amount for repurchase |  |  |  |  |  |  | $ 300,000
Adtalem [Member] |  |  |  |  |  |  |
Share Repurchases [Line Items] |  |  |  |  |  |  |
Payments of Dividends | $ 11,600 | $ 11,400 | $ 11,400 |  |  |  |

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