Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2018

Weighted Average Shares and Share Equivalents Used to Calculate Basic and Diluted Earnings Per Share

The following weighted average shares and share equivalents were used to calculate basic and diluted earnings per share for the three and nine months ended September 30, 2018 and 2017:



	Three Months Ended September 30,		Nine Months Ended September 30,
	2018	2017	2018	2017
Weighted average number of shares outstanding used to calculate basic EPS	3,612	3,747	3,640	3,733
Dilutive securities:
Stock options and restricted share units	444	516	499	466
Weighted average number of shares and share equivalents outstanding used to calculate diluted EPS	4,056	4,263	4,139	4,199

Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following non-qualified stock options ("Options") and restricted share units (RSUs") issued under equity incentive plans were outstanding during the three and nine months ended September 30, 2018 and 2017, but were not included in the computation of diluted earnings per share because the effect would have been anti-dilutive.



	Three Months Ended September 30,		Nine Months Ended September 30,
	2018	2017	2018	2017
Anti-dilutive securities	371	8	353	17