Severance, Impairment And Other Charges (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Mar. 31, 2017	Sep. 30, 2016	Mar. 31, 2016	Mar. 31, 2017
Restructuring Cost and Reserve [Line Items]
Headcount reduction			11.00%
Impairment		$ 145		$ 145
Inventory write-off	$ (102)	$ 295		295
Expected restructuring costs	4,000			4,000
Restructuring costs incurred to date	3,546			3,546
Restructuring epense (income)	105			$ 280
Restructuring payment period				6 months
U.S. [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring epense (income)	121			$ 292
China [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring epense (income)				82
Germany [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring epense (income)	$ (16)			$ (94)