Federal and State Income Taxes - Tax Credit Carryforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract]
Tax benefit from stock-based awards	$ 3,965
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	1,357
Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation	178
Expiring in 2035 | Domestic Tax Authority
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract]
Operating Loss Carryforwards	0
Expiring in 2035 | State and Local Jurisdiction
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract]
Operating Loss Carryforwards	$ 14,429
Expiring in 2034 | Domestic Tax Authority
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract]
Operating Loss Carryforwards		$ 0
Expiring in 2034 | State and Local Jurisdiction
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract]
Operating Loss Carryforwards		$ 10,318