WARRANTY OBLIGATIONS (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Jun. 30, 2016
Changes in the Company's product warranty liability
Balance, at beginning of period	$ 51,192	$ 31,879
Additions and adjustments to cost of revenues	8,841	6,295
Usage and current warranty expenses	(3,625)	(2,270)
Balance, at end of period	56,408	35,904
Less current portion	(15,103)	(10,587)	$ (14,114)
Long term portion	$ 41,305	$ 25,317	$ 37,078