Other Intangible Assets (Schedule Of Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2012 Purchased Technology [Member]	Jun. 30, 2012 Purchased Technology [Member]	Sep. 30, 2012 Customer Relationships [Member]	Jun. 30, 2012 Customer Relationships [Member]	Sep. 30, 2012 Patents [Member]	Jun. 30, 2011 Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	$ 9,678	$ 9,678	$ 7,700	$ 7,700	$ 1,900	$ 1,900	$ 78	$ 78
Total accumulated amortization	(8,166)	(7,940)	(6,954)	(6,772)	(1,204)	(1,161)	(8)	(7)
Total intangible assets, net	$ 1,512	$ 1,738	$ 746	$ 928	$ 696	$ 739