XML 86 R74.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Stock-Based Compensation (Summary of Weighted-Average Assumptions of Fair Value Granted Using Black-Scholes Valuation Model) (Details)
3 Months Ended 6 Months Ended
Jul. 02, 2011
Jul. 03, 2010
years
Jul. 02, 2011
years
Jul. 03, 2010
years
Stock Options [Member]
       
Expected term (in years)   5.74 5.89 5.85
Expected volatility factor   34.41% 34.18% 33.98%
Expected dividend yield   2.75% 2.72% 2.76%
Risk-free interest rate   2.23% 2.33% 2.39%
Performance Awards [Member]
       
Expected term (in years)     3.0 3.0
Expected volatility factor     40.41% 42.82%
Risk-free interest rate     1.34% 1.44%
Stock Appreciation Rights [Member]
       
Expected term (in years)   5.22 5.15 5.54
Expected volatility factor   35.41% 35.83% 34.59%
Expected dividend yield   2.75% 2.69% 2.76%
Risk-free interest rate   1.82% 1.80% 2.39%