Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2014

The following table presents the effect of dilutive securities on the weighted average common shares outstanding included in the calculation of earnings per common share for the three months ended March 31, 2014 and 2013.



	Three Months Ended March 31
($ in millions, except per share amounts)	2014	2013
Weighted average common shares outstanding	139.1	146.1
Effect of dilutive securities:
Stock options	0.8	0.9
Other stock compensation plans	0.8	0.7
Potentially dilutive common shares	1.6	1.6
Adjusted weighted average common shares outstanding	140.7	147.7