Stock-Based Compensation (Summarized Stock Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Jun. 30, 2017	Jun. 30, 2016
Stock-Based Compensation [Abstract]
Outstanding, Number of shares, Beginning Balance	846,607	2,077,524	2,077,524
Exercised, Number of shares		(68,740)
Expired unexercised, Number of shares		(474,443)
Forfeitures, Number of shares	(37,333)
Outstanding, Number of shares, Ending Balance	809,274	1,534,341	846,607	2,077,524
Exercisable, Number of Shares	809,274
Outstanding, Weighted average exercise price, Beginning Balance	$ 13.87	$ 15.92	$ 15.92
Exercised, Weighted average exercise price		9.15
Expired unexercised, Weighted average exercise price		22.51
Forfeitures, Weighted average exercise price	11.23
Outstanding, Weighted average exercise price, Ending Balance	13.99	$ 14.19	$ 13.87	$ 15.92
Exercisable, Weighted average exercise price	$ 13.99
Outstanding, Weighted average remaining contractual term (in years)	2 years 11 months 1 day	3 years 10 months 17 days	3 years 9 months 18 days	3 years 7 months 24 days
Exercisable, Weighted average remaining contractual term (in years)	2 years 11 months 1 day
Outstanding, Aggregate intrinsic value, Beginning Balance	$ 486	$ 926	$ 926
Exercised, Aggregate Intrinsic Value		882
Outstanding, Aggregate intrinsic value, Ending Balance	427	$ 2,150	$ 486	$ 926
Exercisable, Aggregate intrinsic value	$ 427