FINANCING ARRANGEMENTS (Details 5) (Convertible senior notes, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Convertible senior notes
Debt Instrument [Line Items]
Interest cost related to contractual interest coupon—5.0%	$ 8,625	$ 8,625
Interest cost related to amortization of the discount	5,792	5,320
Total interest cost	$ 14,417	$ 13,945