Note 10: Employee Benefits: Schedule of Share-based Compensation, Stock Options, Activity (Details) (USD $)	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Options outstanding at beginning of year
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased	$ 14.87	$ 14.44	$ 13.77
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	91,000	87,500	105,500
Options Granted
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased		$ 22.35
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options		5,000
Options Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased	$ 15.23	$ 15.23	$ 7.52
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	(6,600)	(1,500)	(11,000)
Options Forfeited
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased			$ 15.23
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options			(7,000)
Options Outstanding at Year-End
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased	$ 14.84	$ 14.87	$ 14.44
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	84,400	91,000	87,500
Options exercisable at year-end
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased	$ 14.69	$ 14.77	$ 14.94
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	71,400	72,000	68,500