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Note 2. Income Per Common Share: Earnings Per Share, Policy (Policies)
9 Months Ended
Sep. 30, 2016
Policies  
Earnings Per Share, Policy

Diluted earnings per share was computed using the treasury stock method and includes incremental common shares, primarily from the dilutive effect of share-based payment awards, amounting to 220,000 and 213,000 shares for the three months and nine months ended September 30, 2016, respectively; and 165,000 shares for both the three months and nine months ended September 30, 2015, respectively.