Income Taxes - Current and Deferred Components of Provision For Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Tax Benefit from Gain on Postretirement Benefits, Continuing Operations	$ 0	$ 0	$ (1,100)
Current:
Federal	(30)	293	(24)
State	309	275	191
Total current income tax benefit	279	568	167
Deferred:
Federal	106	99	(819)
State	17	38	(173)
Total deferred income tax expense (benefit)	123	137	(992)
Income tax (benefit) expense	$ 402	$ 705	$ (825)