Note 21: Stock Option Plan: Schedule of Stock Options Outstanding and Exercisable (Details) (USD $)	Dec. 31, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	699,707
Share-based Compensation Arrangement Options Outstanding Weighted Average Remaining Contractual Life	5.93
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 25.597
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	359,749
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 26.356
Range of Exercise Prices | $8.360 to $19.960
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	126,372
Share-based Compensation Arrangement Options Outstanding Weighted Average Remaining Contractual Life	7.20
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 16.924
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	51,163
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 13.489
Range of Exercise Prices | $20.120 to $25.000
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	207,050
Share-based Compensation Arrangement Options Outstanding Weighted Average Remaining Contractual Life	7.53
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 23.373
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	58,801
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 22.065
Range of Exercise Prices | $25.480 to $36.390
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	366,285
Share-based Compensation Arrangement Options Outstanding Weighted Average Remaining Contractual Life	4.58
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 29.846
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	249,785
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 30.001