Earnings per Common Share (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share Computation

EPS is computed using the following common share information for the following years ended December 31:

	2012		2011		2010
(dollars and shares in millions)
EPS Numerator:
Net income attributable to common shareholders	$	530.1	$	328.0	$	509.2
Less: Income allocated to participating securities		10.0		6.1		5.5
Net income available to common shareholders	$	520.1	$	321.9	$	503.7
EPS Denominator:
Weighted average common shares outstanding		83.3		85.8		93.4
Dilutive common share equivalents from share-based compensation plans		1.1		1.5		1.2
Weighted average common and common equivalent shares outstanding, assuming dilution		84.4		87.3		94.6