Earnings Per Share

9 Months Ended

Sep. 30, 2018

For the third quarter of 2018, no stock options were excluded in the computation of diluted earnings per share. For the first nine months of 2018, 2,580 stock options were excluded in the computation of diluted earnings per share because they had exercise prices that were greater than the weighted average market price of the Company’s common stock during the period. For the third quarter of 2017, no stock options were excluded in the computation of diluted earnings per share. For the first nine months of 2017, 600 stock options were excluded in the computation of diluted earnings per share because they had exercise prices that were greater than the weighted average market price of the Company’s common stock during the period.

The weighted average number of common shares used in the calculation of basic and diluted earnings per share consisted of the following (in millions):



	Third Quarter		Nine Months
	2018	2017	2018	2017
Weighted average basic common shares outstanding	35.9	35.3	35.7	35.2
Effect of dilutive securities (primarily stock options)	1.3	1.1	1.3	1.0
Weighted average diluted common shares outstanding	37.2	36.4	37.0	36.2