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Stock-based Compensation (Tables)
9 Months Ended
Sep. 29, 2012
Assumptions Used in Calculating Estimated Fair Value of Stock Option Award

We estimated the fair value of each stock option award on the date of grant using a Black-Scholes option pricing model, modified for dividends and using the following assumptions:

 

                                                             
    

September 29,    

2012    

     October 1,      
2011      
 

 

 

Expected stock price volatility

     33.0%         35.5%   

Expected life

     0.10 - 5.10 yrs         5.5 yrs   

Risk-free interest rate

     0.02 - 0.68%         1.84%   

Dividend yield

     2.12%         2.06%