Note 9. Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Unrecognized Tax Benefits, Beginning Balance	$ 1,920	$ 2,692	$ 2,752
Unrecognized Tax Benefits, Additions Resulting from Prior Period Tax Positions	301	351	415
Unrecognized Tax Benefits, Reductions Resulting from Prior Period Tax Positions	(43)	0	0
Unrecognized Tax Benefits, Additions Resulting from Current Period Tax Positions	0	0	0
Unrecognized Tax Benefits, Reductions Resulting from Current Period Tax Positions	0	0	0
Unrecognized Tax Benefits, Reductions Resulting from Settlements with Taxing Authorities	0	0	0
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	(101)	(1,123)	(475)
Unrecognized Tax Benefits, Ending Balance	2,077	1,920	2,692
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 1,407	$ 1,307	$ 2,159