NET EARNINGS PER SHARE AND SHARE REPURCHASES (Tables)

9 Months Ended

Sep. 30, 2018

Diluted earnings per share is net earnings divided by the sum of the weighted average number of our outstanding common shares and the effect of our outstanding dilutive potential common shares.



	QUARTER ENDED		YEAR-TO-DATE ENDED
SHARES IN THOUSANDS	SEPTEMBER 2018	SEPTEMBER 2017	SEPTEMBER 2018	SEPTEMBER 2017
Weighted average common shares outstanding – basic	754,986	753,535	756,531	752,301
Dilutive potential common shares:
Stock options	1,370	2,437	1,560	2,754
Restricted stock units	629	551	570	529
Performance share units	404	380	455	474
Total effect of outstanding dilutive potential common shares	2,403	3,368	2,585	3,757
Weighted average common shares outstanding – dilutive	757,389	756,903	759,116	756,058

Potential Shares Not Included in the Computation of Diluted Earnings per Share

The following shares were not included in the computation of diluted earnings per share because they were either antidilutive or the required performance or market conditions were not met. Some or all of these shares may be dilutive potential common shares in future periods.



	QUARTER ENDED		YEAR-TO-DATE ENDED
SHARES IN THOUSANDS	SEPTEMBER 2018	SEPTEMBER 2017	SEPTEMBER 2018	SEPTEMBER 2017
Stock options	1,166	1,381	1,166	1,381
Performance share units	830	556	830	556