Net Income Per Common Share Computations

The computations of net income per common share are presented in the following table.

Table 55: Net Income per Common Share



	Three Months Ended September 30,				Nine Months Ended September 30,
($ In Millions Except Per Common Share Information)	2017		2016		2017		2016
Basic Net Income Per Common Share
Average Number of Common Shares Outstanding	228,010,866		226,540,086		228,751,804		227,561,218
Net Income	$	298.4	$	257.6	$	842.4	$	766.0
Less: Dividends on Preferred Stock	17.3		5.9		43.9		17.6
Net Income Applicable to Common Stock	281.1		251.7		798.5		748.4
Less: Earnings Allocated to Participating Securities	4.4		4.8		13.3		13.7
Earnings Allocated to Common Shares Outstanding	276.7		246.9		785.2		734.7
Basic Net Income Per Common Share	$	1.21	$	1.09	$	3.43	$	3.23
Diluted Net Income Per Common Share
Average Number of Common Shares Outstanding	228,010,866		226,540,086		228,751,804		227,561,218
Plus: Dilutive Effect of Share-based Compensation	1,302,779		1,515,109		1,437,485		1,479,400
Average Common and Potential Common Shares	229,313,645		228,055,195		230,189,289		229,040,618
Earnings Allocated to Common and Potential Common Shares	$	276.7	$	247.0	$	785.2	$	734.8
Diluted Net Income Per Common Share	1.20		1.08		3.41		3.21

Note: For the three months ended September 30, 2017, there were no common stock equivalents excluded in the computation of diluted net income per share. Common stock equivalents of 154,411 for the nine months ended September 30, 2017, and 334,184 and 1,480,118 for the three and nine months ended September 30, 2016, respectively, were not included in the computation of diluted net income per common share because their inclusion would have been antidilutive.