Stock-Based Compensation (Summarized Stock Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Stock-Based Compensation [Abstract]
Outstanding, Number of shares, Beginning Balance	846,607	2,077,524	2,401,169
Exercised, Number of shares		(321,026)	(323,645)
Expired unexercised, Number of shares		(474,443)
Forfeitures, Number of shares	(37,333)	(435,448)	0
Outstanding, Number of shares, Ending Balance	809,274	846,607	2,077,524	2,401,169
Exercisable, Number of Shares	809,274
Outstanding, Weighted average exercise price, Beginning Balance	$ 13.87	$ 15.92	$ 15.34
Exercised, Weighted average exercise price		8.97	11.62
Expired unexercised, Weighted average exercise price		22.51
Forfeitures, Weighted average exercise price	11.23	17.88
Outstanding, Weighted average exercise price, Ending Balance	13.99	$ 13.87	$ 15.92	$ 15.34
Exercisable, Weighted average exercise price	$ 13.99
Outstanding, Weighted average remaining contractual term (in years)	2 years 8 months 1 day	3 years 9 months 18 days	3 years 7 months 24 days	4 years 8 months 27 days
Exercisable, Weighted average remaining contractual term (in years)	2 years 8 months 1 day
Outstanding, Aggregate intrinsic value, Beginning Balance	$ 486	$ 926	$ 11,516
Exercised, Aggregate Intrinsic Value		3,607	2,669
Forfeited, Aggregate Intrinsic Value
Expired unexercised, Aggregate Intrinsic Value
Outstanding, Aggregate intrinsic value, Ending Balance	370	$ 486	$ 926	$ 11,516
Exercisable, Aggregate intrinsic value	$ 370