Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2016

Basic and Diluted Shares of Consolidated Condensed Statements of Income

The following summarizes the Common Stock included in the basic and diluted shares, as disclosed on the face of the consolidated condensed statements of income:

	Three Months Ended March 31,
	2016		2015
Weighted average number of shares for calculation of basic EPS		36,356,973		35,769,190
Stock options under equity incentive plans		193,890		475,505
Weighted average number of shares for calculation of diluted EPS		36,550,863		36,244,695

Common Stock Issuable upon Exercise of Certain Stock Options

The accompanying table represents Common Stock issuable upon the exercise of certain stock options that have been excluded from the diluted earnings calculation because the effect of their inclusion would be anti-dilutive.

	Three Months Ended March 31,
	2016		2015
Stock options outstanding for equity incentive plans		1,062,534		—