NET EARNINGS PER SHARE AND SHARE REPURCHASES (Tables)

9 Months Ended

Sep. 30, 2021

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 2021		SEPTEMBER 2020		SEPTEMBER 2021		SEPTEMBER 2020
Weighted average common shares outstanding – basic		750,105		746,996		749,657		746,809
Dilutive potential common shares:
Stock options		293		401		318		246
Restricted stock units		730		570		709		297
Performance share units		315		483		315		178
Total effect of outstanding dilutive potential common shares		1,338		1,454		1,342		721
Weighted average common shares outstanding – dilutive		751,443		748,450		750,999		747,530

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 2021		SEPTEMBER 2020		SEPTEMBER 2021		SEPTEMBER 2020
Stock options		789		2,260		789		2,260
Performance share units		1,067		729		1,067		729