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Stock-based Compensation (Tables) | 9 Months Ended
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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% |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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