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Note 10: Employee Benefits: Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details) - Jun. 30, 2015
$ / shares
Details  
Fair Value Assumptions, Expected Dividend Yield 1.94%
Fair Value Assumptions, Expected Volatility Rate 22.48%
Fair Value Assumptions, Risk Free Interest Rate 2.46%
Fair value assumptions weighted-average expected life (years) 10.00
Fair value assumptions weighted-average fair value of $ 4.29