Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Income Tax Disclosure
Income tax expense	$ 0	$ 0	$ (1,066,000)
Tax Benefit from Gain on Postretirement Benefits, Continuing Operations	0	0	1,100,000
State capital loss carryforward		0
Excess Tax Benefit from Share-based Compensation, Financing Activities	600,000
Deferred tax assets	90,123,000	74,610,000	84,737,000
Deferred Tax Assets, Net	83,300,000
Valuation allowance	(84,857,000)	(72,613,000)	(82,522,000)
Valuation allowance increase (decrease)	12,300,000	(9,900,000)	3,100,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	0	0
Settlements	0	3,181,000	0
Income tax penalties and interest accrued on unrecognized tax benefits	0	0
Income tax penalties and interest expense on unrecognized tax benefits	0	0	$ 10,000
Internal Revenue Service (IRS) [Member]
Income Tax Disclosure
Operating loss carryforwards	107,600,000
State and Local Jurisdiction [Member]
Income Tax Disclosure
Operating loss carryforwards		$ 106,000,000
General Business Tax Credit Carryforward [Member]
Income Tax Disclosure
Federal business tax credits	800,000
Charitable Contribution Carryfoward [Member]
Income Tax Disclosure
Federal business tax credits	$ 2,100,000