Share - Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Compensation costs charged to expense under award programs
Total compensation costs under award programs	$ 4,461	$ 4,511	$ 5,761
Stock Options and Stock Appreciation Rights [ Member]
Compensation costs charged to expense under award programs
Total compensation costs under award programs	1,610	1,808	2,317
Performance Shares [Member]
Compensation costs charged to expense under award programs
Total compensation costs under award programs	836	309	1,074
Restricted stock and Restricted Stock units [Member]
Compensation costs charged to expense under award programs
Total compensation costs under award programs	$ 2,015	$ 2,394	$ 2,370