WARRANTY OBLIGATIONS (Details) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Jun. 30, 2015
Changes in the Company's product warranty liability
Balance, at beginning of period	$ 31,879	$ 18,181
Additions and adjustments to cost of revenues	21,250	13,456
Usage and current warranty expenses	(6,470)	(3,738)
Balance, at end of period	46,659	27,899
Less current portion	13,510	7,661	$ 9,431
Long term portion	$ 33,149	$ 20,238	$ 22,448