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INTANGIBLE ASSETS (Changes in Carrying Amount of Goodwill, by Segment) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2016 | Mar. 31, 2017 | Mar. 31, 2016 | Jun. 30, 2015
Goodwill [Line Items] |  |  |  |
Goodwill beginning balance | $ 565,012 | $ 588,007 | $ 552,329 | $ 519,879
Purchase Accounting Adjustments |  | (3,122) | 4,575 |
Acquisitions | 7,761 | 274,620 | 108,246 | 55,915
Impairments | (5,811) |  | (92,973) |
Foreign exchange rate changes | 21,045 | 1,496 | (7,165) | (23,465)
Goodwill ending balance | 588,007 | 861,001 | 565,012 | 552,329
Medical And Healthcare [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill beginning balance | 310,210 | 310,210 | 310,210 | 310,210
Purchase Accounting Adjustments |  | 0 | 0 |
Acquisitions | 0 | 0 | 0 | 0
Impairments | 0 |  | 0 |
Foreign exchange rate changes | 0 | 0 | 0 | 0
Goodwill ending balance | 310,210 | 310,210 | 310,210 | 310,210
Professional Education [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill beginning balance | 32,386 | 32,043 | 32,797 | 33,217
Purchase Accounting Adjustments |  | 0 | 0 |
Acquisitions | 0 | 274,620 | 0 | 0
Impairments | 0 |  | 0 |
Foreign exchange rate changes | (343) | (219) | (411) | (420)
Goodwill ending balance | 32,043 | 306,444 | 32,386 | 32,797
Technology And Business [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill beginning balance | 194,409 | 223,558 | 88,342 | 55,472
Purchase Accounting Adjustments |  | (3,122) | 4,575 |
Acquisitions | 7,761 | 0 | 108,246 | 55,915
Impairments | 0 |  | 0 |
Foreign exchange rate changes | 21,388 | 1,715 | (6,754) | (23,045)
Goodwill ending balance | 223,558 | 222,151 | 194,409 | 88,342
U.S. Traditional Postsecondary [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill beginning balance | 207,913 | 207,913 | 207,913 | 207,913
Purchase Accounting Adjustments |  | 0 | 0 |
Acquisitions | 0 | 0 | 0 | 0
Impairments | 0 |  | 0 |
Foreign exchange rate changes | 0 | 0 | 0 | 0
Goodwill ending balance | 207,913 | 207,913 | 207,913 | 207,913
Accumulated Impairment Losses beginning balance | (179,906) | (185,717) | (86,933) | (86,933)
Purchase Accounting Adjustments |  | 0 | 0 |
Acquisitions | 0 | 0 | 0 | 0
Impairments | (5,811) |  | (92,973) |
Foreign exchange rate changes | 0 | 0 | 0 | 0
Accumulated Impairment Losses ending balance | $ (185,717) | $ (185,717) | $ (179,906) | $ (86,933)

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