Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2015

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 September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
Weighted average number of shares for calculation of basic EPS		36,110,360		35,522,407		35,951,430		35,317,359
Stock options under the 2006, 2011 and 2013 equity plans		371,351		748,873		438,612		625,452
Weighted average number of shares for calculation of diluted EPS		36,481,711		36,271,280		36,390,042		35,942,811

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 September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
Stock options outstanding under the 2006, 2011 and 2013 Equity Incentive Plans		5,534		—		5,534		—
		5,534		—		5,534		—