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Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2014

Stock Option [Member]



	Shares (in thousands)		Weighted-Average Exercise Price
Outstanding at December 31, 2013	5,227		$	54.11
Granted	292		141.91
Exercised	(943	)	46.10
Forfeited	(202	)	85.38
Outstanding at September 30, 2014	4,374		$	60.25
Exercisable at September 30, 2014	2,882		$	41.37

Black-Scholes option pricing model



	For the Nine Months Ended September 30,
	2014			2013
Risk free interest rate	1.60	%		0.89	%
Expected life	5.3		Years	5.1		Years
Expected volatility	25.0	%		32.0	%
Expected dividend yield	—	%		—	%

Summary of activity of share-based compensation



	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2014		2013		2014		2013
Compensation expense for stock options awarded	$	4,184	$	4,341	$	13,978	$	13,579
Income tax benefit from compensation expense related to stock options	1,548		1,656		5,173		5,180

Restricted Stock [Member] | Employee Stock Purchase Plan [Member]

Summary of activity of share-based compensation



	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2014		2013		2014		2013
Compensation expense for shares issued under the ESPP	$	451	$	442	$	1,332	$	1,273
Income tax benefit from compensation expense related to shares issued under the ESPP	167		169		493		486
Compensation expense for restricted shares awarded	652		527		2,114		1,633
Income tax benefit from compensation expense related to restricted awards	241		201		782		623

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References+ Details