Stock Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2013

Summary of Option Activity

Stock option transactions for the three years ended December 31, 2013 were as follows:

	Options			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value (In millions)
Outstanding at December 31, 2010		8.8		$	22.63
Granted		1.2			40.60
Exercised		(1.6	)		16.53
Cancelled		(0.1	)		30.22
Outstanding at December 31, 2011		8.3			26.39
Granted		1.6			53.81
Exercised		(1.5	)		19.00
Cancelled		(0.2	)		35.57
Outstanding at December 31, 2012		8.2			32.81
Granted		1.7			61.89
Exercised		(1.0	)		21.47
Cancelled		(0.1	)		47.47
Outstanding at December 31, 2013		8.8		$	39.47		6.2	$	235.8
Exercisable at December 31, 2013		4.5		$	26.08		4.2	$	180.6

Summary Of Information Relating To Options Outstanding And Exercisable

The following table summarizes information relating to options outstanding and exercisable at December 31, 2013:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Outstanding as of 12/31/2013		Weighted Average Remaining Contractual Life		Weighted Average Exercise Price		Exercisable as of 12/31/2013		Weighted Average Exercise Price
$5.01 - $15.00		0.2		0.5	$	14.82		0.2	$	14.82
$15.01 - $25.00		1.4		2.6	$	20.44		1.4	$	20.44
$25.01 - $35.00		2.9		5.1	$	29.40		2.9	$	29.40
$35.01 - $45.00		1.1		7.0	$	40.62		0.0	$	0.0
$45.01 - $55.00		1.5		8.3	$	53.80		0.0	$	0.0
$55.01 - $67.00		1.7		9.4	$	61.91		0.0	$	0.0
		8.8		6.2	$	39.47		4.5	$	26.08

Information Regarding Intrinsic Value of Stock Options Exercised and Stock Compensation Expense Related to Stock Option Awards

The following table provides information regarding the intrinsic value of stock options exercised, stock compensation expense related to stock option awards and the fair value of stock options issued:

	2013		2012		2011
Intrinsic Value of Stock Options Exercised	$	42.2	$	48.9	$	39.6
Stock Compensation Expense Related to Stock Option Awards	$	15.5	$	11.0	$	10.0
Issued Stock Options		1.7		1.6		1.2
Weighted Average Fair Value of Stock Options issued (per share)	$	10.92	$	8.92	$	7.87
Fair Value of Stock Options Issued	$	18.1	$	14.2	$	9.5

Assumptions Used in Valuation of Stock Options

The following table provides a summary of the assumptions used in the valuation of issued stock options:

	2013			2012			2011
Risk-free interest rate		1.4	%		1.0	%		2.0	%
Expected life in Years		6.2			6.3			6.2
Expected volatility		21.2	%		20.7	%		20.9	%
Dividend Yield		1.8	%		1.8	%		1.7	%