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Share-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2013
Share-Based Compensation [Abstract]  
Schedule Of Weighted Averages Of The Assumptions Used In Estimating The Fair Value Of Stock Option Awards

 

 

 

 

 

 

 

 

 

 

For the Nine Months Ended

 

 

September 30,

 

 

 

2013 

 

 

2012 

 

 

 

 

 

 

 

 

 

Expected stock price volatility

 

 

33 

%

 

34 

%

Expected term, in years

 

 

4.7 

 

 

4.6 

 

Risk-free interest rate

 

 

0.9 

%

 

0.8 

%

 

 

 

 

 

 

 

 

Weighted average fair value of options granted

 

$

26.36 

 

$

26.37