FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015
Assets:
Marketable equity securities	$ 5,824	$ 6,273
Recurring basis | Carrying Amount
Liabilities:
Debt	401,780
Amount of equity component of convertible notes	77,000
Recurring basis | Fair Value
Assets:
Total assets	6,365
Liabilities:
Debt	354,094
Total liabilities	354,094
Recurring basis | Level 1
Assets:
Total assets	5,824
Liabilities:
Debt	354,094
Total liabilities	354,094
Recurring basis | Level 2
Assets:
Total assets	541
Recurring basis | Marketable equity Securities | Carrying Amount
Assets:
Marketable equity securities	5,824
Recurring basis | Marketable equity Securities | Fair Value
Assets:
Marketable equity securities	5,824
Recurring basis | Marketable equity Securities | Level 1
Assets:
Marketable equity securities	5,824
Recurring basis | Warrants | Carrying Amount
Assets:
Warrants	541
Recurring basis | Warrants | Fair Value
Assets:
Warrants	541
Recurring basis | Warrants | Level 2
Assets:
Warrants	$ 541