Net Income Per Common Share Computations (Tables)

3 Months Ended

Mar. 31, 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 March 31,
($ In Millions Except Per Common Share Information)	2014		2013
Basic Net Income Per Common Share
Average Number of Common Shares Outstanding		237,208,151		239,167,559
Net Income Applicable to Common Stock	$	181.4	$	164.0
Less: Earnings Allocated to Participating Securities		2.9		2.5
Earnings Allocated to Common Shares Outstanding		178.5		161.5
Basic Net Income Per Common Share		0.75		0.68
Diluted Net Income Per Common Share
Average Number of Common Shares Outstanding		237,208,151		239,167,559
Plus: Dilutive Effect of Share-based Compensation		1,842,563		1,021,656
Average Common and Potential Common Shares		239,050,714		240,189,215
Earnings Allocated to Common and Potential Common Shares	$	178.5	$	161.5
Diluted Net Income Per Common Share		0.75		0.67