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Stock-based Compensation (Tables)
9 Months Ended
Oct. 01, 2011
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:

 

     October 1,     October 2,  
     2011     2010  

Expected stock price volatility

     35.5     35.0

Expected life

    
5.5yrs
  
    5.5yrs   

Risk-free interest rate

     1.84     1.54

Dividend yield

     2.06     2.33 %