Note 11. Derivative Instruments - Textuals (Details)	12 Months Ended								12 Months Ended
	Jun. 30, 2012 USD ($)	Jun. 30, 2011 USD ($)	Jun. 30, 2010 USD ($)	Jun. 30, 2012 Foreign Exchange Contract USD ($)	Jun. 30, 2011 Foreign Exchange Contract	Jun. 30, 2012 Foreign Exchange Contract EUR (€)	Jun. 30, 2012 Warrants, Preferred USD ($)	Jun. 30, 2012 Warrants, Common USD ($)	Jun. 30, 2012 Non-operating income/expense Foreign Exchange Contract USD ($)	Jun. 30, 2011 Non-operating income/expense Foreign Exchange Contract USD ($)	Jun. 30, 2010 Non-operating income/expense Foreign Exchange Contract USD ($)	Jun. 30, 2012 Non-operating income/expense Stock Warrant USD ($)	Jun. 30, 2011 Non-operating income/expense Stock Warrant USD ($)	Jun. 30, 2010 Non-operating income/expense Stock Warrant USD ($)
Derivatives, Fair Value
Derivative, Notional Amount				$ 25,300,000		€ 34,700,000
Derivatives, Gain (Loss) Deferred in Accumulated OCI, Estimated Net Amount to be Transferred to Income, pre-tax				(100,000)
Investment Owned, Option Price							$ 0.25	$ 0.15
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimate of Time to Transfer				12 months	12 months
Investment, Exercise price per share, Original Value							$ 1.50
Investment, Shares							11,000,000	2,750,000
Investment, Shares, Original Value							1,833,000
Derivative Gain (Loss)	$ 1,987,000	$ (3,281,000)	$ 1,348,000						$ 2,513,000	$ (4,322,000)	$ 1,355,000	$ (526,000)	$ 1,041,000	$ (7,000)