Note 1. Summary of Significant Accounting Policies - Components of Non-operating income (expense), net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Components of Other Non-operating Income (Expense), net
Foreign Currency/Derivative Gain (Loss)	$ (124)	$ 378	$ (516)	$ 1,152
Gain (Loss) on Supplemental Employee Retirement Plan Investments	283	1,087	986	(875)
Impairment Loss on Privately-Held Investment	(735)	0	(735)	0
Loss on Stock Warrants	(1,116)	803	(1,313)	2,068
Other	(143)	(105)	(269)	(200)
Non-operating income (expense), net	(1,470)	1,349	(1,286)	36
Common Stock
Components of Other Non-operating Income (Expense), net
Impairment Loss on Privately-Held Investment	(700)
Non-Operating Income (Expense) | Stock Warrant
Components of Other Non-operating Income (Expense), net
Loss on Stock Warrants	$ (751)	$ (11)	$ (752)	$ (41)