Shareholders' Equity - Stock Option Transactions Under the Various Employee Stock Option Plans (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning Balance, Shares	22,000	29,000	29,000
Granted, Shares	0	0	0
Exercised, Shares	0	0	0
Forfeited, Shares	0	7,000	0
Ending Balance, Shares	22,000	22,000	29,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Beginning Balance, Weighted Average Exercise Price (in dollars per share)	$ 18.72	$ 17.03	$ 17.03
Forfeited, Weighted Average Exercise Price (in dollars per share)		11.74
Ending Balance, Weighted Average Exercise Price (in dollars per share)	$ 18.72	$ 18.72	$ 17.03
Weighted Average Remaining Contractual Life in Years, Outstanding	2 years 5 months 9 days
Aggregate Intrinsic Value (net of tax), Outstanding	$ 165