Property And Equipment (Summary Of Property And Equipment) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	$ 23,482	$ 25,256
Less: Accumulated Depreciation	(16,869)	(17,879)
Property and Equipment, Net	6,613	7,377
Building and Land [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	7,844	7,788
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	14,578	16,414
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Gross Property and Equipment	$ 1,060	$ 1,054