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Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2020

Schedule of Earnings Per Share, Basic and Diluted

The effect of dilutive securities on the weighted average common shares outstanding included in the calculation of earnings per diluted common share for the three and nine months ended September 30, 2020 and 2019 were as follows:


	Three Months Ended September 30			Nine Months Ended September 30
(number of shares in millions)	2020	2019	2020	2019
Weighted average common shares outstanding	236.8	237.1	236.6	236.9
Effect of dilutive securities:
Stock options	0.5	0.7	0.4	0.6
Other stock compensation plans	0.6	0.7	0.7	0.7
Potentially dilutive common shares	1.1	1.4	1.1	1.3
Adjusted weighted average common shares outstanding	237.9	238.5	237.7	238.2

Dividends per common share	$0.54	$0.51	$1.56	$1.47