Income Taxes - Current and Deferred Components of Provision For Income Taxes (Details) (USD $)	3 Months Ended							12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Income Tax Disclosure [Abstract]
Tax Benefit from Gain on Postretirement Benefits, Continuing Operations								$ 0	$ (1,100,000)	$ 0
Current:
Federal								293,000	(24,000)	(385,000)
State								275,000	191,000	115,000
Total current income tax benefit								568,000	167,000	(270,000)
Deferred:
Federal								99,000	(819,000)	(63,000)
State								38,000	(173,000)	(14,000)
Total deferred income tax expense (benefit)								137,000	(992,000)	(77,000)
Income tax (benefit) expense	$ 196,000	$ 402,000	$ 306,000	$ (1,194,000)	$ (40,000)	$ (32,000)	$ 441,000	$ 705,000	$ (825,000)	$ (347,000)