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Note 7. Employee Benefit Plans - Severance Plan Assumptions, Weighted Average (Details)
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Defined Benefit Plan Disclosure Line Items      
Discount Rate 2.70% 2.50% 3.80%
Rate of Compensation Increase 3.00% 3.00% 3.80%