Severance, Impairment And Other Charges (Summary Of Severance, Impairment And Other Charges) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		15 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	Sep. 30, 2017
Severance, Impairment And Other Charges [Abstract]
Severance and Related Costs		$ 105	$ (13)	$ 280
Court Award			675
Impairment			(42)	145	$ 127
Inventory Write-Off	(3)	(102)	(17)	295	$ 290
Total	$ (3)	$ 3	$ 603	$ 720