Stockholders' Equity and Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2011

Notes to Financial Statements [Abstract]

Net Income Per Common Share

Net income per common share is determined as follows:

	Three Months Ended September 30				Nine Months Ended September 30
	2011		2010		2011		2010
	(in millions of dollars, except share data)
Numerator
Net Income	$	205.6	$	220.8	$	660.8	$	660.3
Denominator (000s)
Weighted Average Common Shares - Basic	298,185.8		323,083.5		305,694.5		328,828.6
Dilution for Assumed Exercises of Stock Options and Nonvested Stock Awards	987.1		1,383.5		1,223.9		1,344.5
Weighted Average Common Shares - Assuming Dilution	299,172.9		324,467.0		306,918.4		330,173.1
Net Income Per Common Share
Basic	$	0.69	$	0.68	$	2.16	$	2.01
Assuming Dilution	$	0.69	$	0.68	$	2.15	$	2.00