Note 7. Employee Benefit Plans - Severance Plans - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Plan Disclosure
Service cost	$ 490	$ 645	$ 955
Interest cost	74	96	134
Amortization of prior service costs	0	185	286
Amortization of actuarial (gain) loss	(441)	(292)	338
Net periodic benefit cost - Total cost	123	634	1,713
Discontinued Operations
Defined Benefit Plan Disclosure
Net periodic benefit cost - Total cost	0	81	343
Continuing Operations
Defined Benefit Plan Disclosure
Net periodic benefit cost - Total cost	$ 123	$ 553	$ 1,370