Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2018

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,
	2018		2017		2016
Weighted average number of shares for calculation of basic EPS – Common Stock		35,920,782		36,720,749		36,448,138
Stock options, restricted stock awards and restricted stock units under equity incentive plans		256,362		92,970		152,665
Weighted average number of shares for calculation of diluted EPS – Common Stock		36,177,144		36,813,719		36,600,803

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,
	2018		2017		2016
Stock options outstanding for equity incentive plans		898,250		2,055,784		1,314,784