Income Taxes - Provision (Benefit) for Income Taxes on Continuing Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Current	$ 54	$ 2	$ 38
Deferred	(566)	4,556	855
Total income tax (benefit) expense-continuing operations	$ (512)	$ 4,558	$ 893