Share - Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Compensation costs charged to expense under award programs
Total compensation costs under award programs	$ 4,067	$ 4,461	$ 4,511
Stock Options and Stock Appreciation Rights [ Member]
Compensation costs charged to expense under award programs
Total compensation costs under award programs	1,543	1,610	1,808
Performance Shares [Member]
Compensation costs charged to expense under award programs
Total compensation costs under award programs	446	836	309
Restricted stock and Restricted Stock units [Member]
Compensation costs charged to expense under award programs
Total compensation costs under award programs	$ 2,078	$ 2,015	$ 2,394