Short-Term And Long-Term Investments (Narrative) (Details) (USD $)	Sep. 30, 2012	Jun. 30, 2012
Short-term Investments	$ 12,740,000	$ 11,227,000
Amount that fair value exceeded based on observable market activity and internal valuations	2,200,000
Bank Time Deposits [Member]
Short-term Investments	8,000,000
Certificates of Deposit [Member]
Short-term Investments	$ 2,500,000