OTHER FINANCIAL STATEMENT DATA OTHER FINANCIAL STATEMENT DATA - Supplementary Cash Flow Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Cash paid (received) for:
Interest	$ 7,660	$ 12,336	$ 21,173
Income taxes, net	2,237	(1,371)	(16,266)
Noncash investing activities:
Unpaid capital expenditures	$ 6,627	$ 5,034	$ 6,392