Net Income Per Common Share Computations (Tables)

6 Months Ended

Jun. 30, 2014

Computations of Net Income per Common Share

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

	Three Months Ended June 30,				Six Months Ended June 30,
($ In Millions Except Per Common Share Information)	2014		2013		2014		2013
Basic Net Income Per Common Share
Average Number of Common Shares Outstanding		236,012,703		239,738,592		236,607,125		239,454,653
Net Income Applicable to Common Stock	$	181.9	$	191.1	$	363.3	$	355.1
Less: Earnings Allocated to Participating Securities		3.1		3.2		6.0		5.6
Earnings Allocated to Common Shares Outstanding		178.8		187.9		357.3		349.5
Basic Net Income Per Common Share		0.76		0.78		1.51		1.46
Diluted Net Income Per Common Share
Average Number of Common Shares Outstanding		236,012,703		239,738,592		236,607,125		239,454,653
Plus: Dilutive Effect of Share-based Compensation		1,740,976		1,302,089		1,791,489		1,162,647
Average Common and Potential Common Shares		237,753,679		241,040,681		238,398,614		240,617,300
Earnings Allocated to Common and Potential Common Shares	$	178.8	$	187.9	$	357.3	$	349.5
Diluted Net Income Per Common Share		0.75		0.78		1.50		1.45