FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Jun. 30, 2015
Assets:
Marketable equity securities	$ 8,411	$ 6,273
Recurring basis | Carrying Amount
Liabilities:
Debt	404,494
Amount of equity component of convertible notes	77,000
Recurring basis | Fair Value
Assets:
Total assets	8,825
Liabilities:
Debt	335,313
Total liabilities	335,313
Recurring basis | Level 1
Assets:
Total assets	8,411
Liabilities:
Debt	335,313
Total liabilities	335,313
Recurring basis | Level 2
Assets:
Total assets	414
Recurring basis | Marketable equity Securities | Carrying Amount
Assets:
Marketable equity securities	8,411
Recurring basis | Marketable equity Securities | Fair Value
Assets:
Marketable equity securities	8,411
Recurring basis | Marketable equity Securities | Level 1
Assets:
Marketable equity securities	8,411
Recurring basis | Warrants | Carrying Amount
Assets:
Warrants	414
Recurring basis | Warrants | Fair Value
Assets:
Warrants	414
Recurring basis | Warrants | Level 2
Assets:
Warrants	$ 414