Note 12. Investments - Municipal Securities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Schedule of Available-for-sale Securities
Net unrealized holding gain (loss) included in Other Comprehensive Income (Loss)	$ 0	$ 0	$ (131)
Net (gains) losses reclassified out of Other Comprehensive Income (Loss)	0	0	(639)
Municipal Securities
Schedule of Available-for-sale Securities
Proceeds from sales	0	0	28,937
Gross realized gains from sale of available-for-sale securities included in earnings	0	0	639
Net unrealized holding gain (loss) included in Other Comprehensive Income (Loss)	0	0	(131)
Net (gains) losses reclassified out of Other Comprehensive Income (Loss)	$ 0	$ 0	$ (639)