FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Jun. 30, 2015
Assets:
Marketable equity securities	$ 3,861	$ 6,273
Recurring basis | Carrying Amount
Liabilities:
Debt	407,252
Amount of equity component of convertible notes	77,000
Recurring basis | Fair Value
Assets:
Total assets	5,476
Liabilities:
Debt	354,275
Total liabilities	354,275
Recurring basis | Level 1 | Fair Value
Assets:
Total assets	3,861
Liabilities:
Debt	354,275
Total liabilities	354,275
Recurring basis | Level 2 | Fair Value
Assets:
Total assets	1,615
Recurring basis | Marketable equity Securities | Carrying Amount
Assets:
Marketable equity securities	3,861
Recurring basis | Marketable equity Securities | Fair Value
Assets:
Marketable equity securities	3,861
Recurring basis | Marketable equity Securities | Level 1 | Fair Value
Assets:
Marketable equity securities	3,861
Recurring basis | Warrants | Carrying Amount
Assets:
Warrants	1,615
Recurring basis | Warrants | Fair Value
Assets:
Warrants	1,615
Recurring basis | Warrants | Level 2 | Fair Value
Assets:
Warrants	$ 1,615