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Share-Based Compensation Plans (Tables)
 12 Months Ended
Dec. 31, 2011
Schedule of Compensation Cost and Income Tax Benefit
For the years ended December 31:
 
 
2011
 
2010
 
2009
Compensation cost for stock options, stock appreciation rights and restricted stock units
 
$
36.6

 
$
57.6

 
$
54.9

Total income tax benefit recognized for share-based arrangements
 
11.7

 
18.7

 
18.5
Schedule of Weighted-Average Assumptions for Options Granted During Period
The fair value of each option and stock appreciation right award is estimated on the date of grant using a Black-Scholes-Merton option pricing model with the following weighted-average assumptions for options granted during the years ended December 31:
 
 
 
2011
 
2010
 
2009
Risk-free rate(1)
 
1.8
%
 
1.9
%
 
1.6
%
Expected term(2)
 
4 years

 
4 years

 
4 years

Expected volatility(3)
 
38
%
 
38
%
 
35
%
Expected dividends(4)
 
3.0
%
 
3.0
%
 
4.0
%
 
(1)
The risk-free rate was based upon the rate on a zero coupon U.S. Treasury bill, for periods within the contractual life of the option, in effect at the time of grant.
(2)
The expected term of the option or stock appreciation right was based on historical employee exercise behavior, the vesting terms of the respective option or stock appreciation right and a contractual life of ten years.
(3)
Expected volatility was based on the weekly historical volatility of our stock price, over a period similar to the expected life of the option.
(4)
Assumed the current cash dividends of $.23 during 2011, $.22 during 2010 and $.21 during 2009 per share each quarter on our common stock for options and stock appreciation rights granted during those years.
Schedule of Options Activity During Period
A summary of stock options and stock appreciation rights as of December 31, 2011, and changes during 2011, is as follows:
 
 
 
Shares
(in 000’s)
 
Weighted-
Average
Exercise
Price
 
Weighted-
Average
Contractual
Term
 
Aggregate
Intrinsic
Value
Outstanding at January 1, 2011
 
29,655

 
$
31.07

 
 
 
 
Granted
 
1,041

 
27.31

 
 
 
 
Exercised
 
(941
)
 
17.71

 
 
 
 
Forfeited
 
(373
)
 
22.56

 
 
 
 
Expired
 
(1,021
)
 
36.31

 
 
 
 
Outstanding at December 31, 2011
 
28,361

 
$
31.30

 
4.8

 
$
10.0

Exercisable at December 31, 2011
 
22,732

 
$
32.60

 
4.1

 
$
6.2
Schedule of Cash Proceeds, Tax Benefits, and Instrinsic Value Related to Options Exercised During Period
Cash proceeds, tax benefits, and intrinsic value related to total stock options and stock appreciation rights exercised during 2011, 2010 and 2009, were as follows:
 
 
2011
 
2010
 
2009
Cash proceeds from stock options and stock appreciation rights exercised
 
$
16.8

 
$
23.9

 
$
13.1

Tax benefit realized for stock options and stock appreciation rights exercised
 
1.3

 
3.3

 
.9

Intrinsic value of stock options and stock appreciation rights exercised
 
10.0

 
14.6

 
5.0
Schedule of Restricted Stock and Units Activity During Period
A summary of restricted stock, restricted stock units, and performance restricted stock units at December 31, 2011, and changes during 2011, is as follows:
 
 
Restricted
Stock
And Units
(in 000’s)
 
Weighted-
Average
Grant-Date
Fair Value
January 1, 2011
 
2,952

 
$
26.36

Granted
 
2,335

 
26.36

Vested
 
(769
)
 
35.56

Forfeited
 
(180
)
 
25.16

December 31, 2011
 
4,338

 
$
24.78