INCOME TAXES: (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Income tax (benefit) expense	$ (4,207)	$ 2,592	$ (1,391)	$ 8,848
Effective tax rate (as a percent)	98.60%	(123.50%)	99.20%	(145.60%)