Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2016

Basic and Diluted Shares of Consolidated Condensed Statements of Income

The following summarizes the shares included in the dilutive shares as disclosed in the statements of income:

	Year ended December 31,
	2016		2015		2014
Weighted average number of shares for calculation of basic EPS – Common Stock		36,448,138		36,031,792		35,411,608
Stock options under equity incentive plans		152,665		443,310		637,723
Weighted average number of shares for calculation of diluted EPS – Common Stock		36,600,803		36,475,102		36,049,331

Common Stock Issuable upon Exercise of Certain Stock Options

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

	Year ended December 31,
	2016		2015		2014
Stock options outstanding for equity incentive plans		1,314,784		17,534		155,000