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INCOME TAXES (Detail Textual) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 21, 2017 | Jun. 30, 2018 | Dec. 31, 2017 | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Income Tax [Line Items] |  |  |  |  |  |  |  |
Statutory U.S. Income Tax Rate | 35.00% |  |  |  | 28.06% | 35.00% | 35.00% |
TCJA remeasurement of net deferred tax liabilities |  | $ 1,500 | $ 94,800 |  | $ 96,300 |  |  |
TCJA one-time transition tax |  |  | $ 9,700 |  | $ 9,700 |  |  |
TCJA one-time transition tax liability payment term |  |  |  |  | 8 years |  |  |
TCJA overall impact on results of operations |  |  |  |  | $ 103,300 |  |  |
TCJA overall impact on diluted earnings per share |  |  |  |  | $ 4.09 |  |  |
Undistributed earnings |  | 600 |  |  | $ 600 |  |  |
Liability for unrecognized tax benefits |  | 4,122 |  |  | 4,122 | $ 1,639 | $ 398 | $ 6,220
Unrecognized tax benefit that would impact the company's effective tax rate |  | $ 4,100 |  |  | $ 4,100 | $ 1,600 | $ 400 |
Scenario Plan |  |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |  |
Statutory U.S. Income Tax Rate |  |  |  | 21.00% |  |  |  |

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