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QUARTERLY FINANCIAL DATA (UNAUDITED) - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2014
Impairment |  |  |  |  |  |  |  |  |  |
Impairment charge |  |  |  |  |  |  |  | $ (12,954) | $ (4,654) | $ 0
Establishment of valuation allowance against U.S. & U.K. deferred tax assets |  |  |  |  |  |  |  |  | 2,100 | 86,600
Loss from discontinued operations, net of income taxes |  |  |  | $ 630 | $ 0 | $ 0 | $ 0 | 0 | 630 | (1,353)
Adjustment Prior Period Errors Interest Expense |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Quantifying misstatement amount |  | $ 600 |  |  |  |  |  |  |  |
Adjustment Prior Period Errors Site Operating Expenses |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Quantifying misstatement amount |  | 500 |  |  |  |  |  |  |  |
Adjustment Prior Period Errors Depreciation Expense |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Quantifying misstatement amount | $ 1,100 | (300) |  |  |  |  |  |  |  |
Adjustment Prior Period Errors Net Income |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Quantifying misstatement amount | $ (1,100) | $ (800) |  |  |  |  |  |  |  |
Empire Education Group Inc |  |  |  |  |  |  |  |  |  |
Impairment |  |  |  |  |  |  |  |  |  |
Impairment charge |  |  | $ (12,954) |  |  | (4,654) |  | $ (12,954) | $ (4,654) | $ 0
Establishment of valuation allowance against U.S. & U.K. deferred tax assets |  |  |  |  |  | $ 6,900 |  |  |  |

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