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Note 21: Stock Option Plan: Schedule of Share-based Compensation, Activity (Details) - Employee Stock Option | 12 Months Ended
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Dec. 31, 2015 $ / shares shares
Options Outstanding | Beginning of Period |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares | 661,098
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares | $ 26.560
Share based compensation stock option weighted average remaining contractual term | 6.72 years
Options Outstanding | End of Period |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares | 633,732
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares | $ 31.297
Share based compensation stock option weighted average remaining contractual term | 7.22 years
Granted |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares | 129,350
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares | $ 49.199
Exercised |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares | (134,263)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares | $ 25.403
ForfeitedMember |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares | (22,453)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares | $ 30.208
Options Exercisable |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares | 221,568
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares | $ 23.518
Share based compensation stock option weighted average remaining contractual term | 4.72 years

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