Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v2.3.0.15
Stock-Based Compensation (Details) (USD $)
9 Months Ended
Oct. 01, 2011
Stock Based Compensation [Line Items]  
Options granted in period 945,712
Exercise price of options granted $ 96.06
Expected volatility, minimum 27.00%
Expected volatility, maximum 38.00%
Weighted average expected volatility 34.00%
Expected term, minimum 5.60
Expected term, maximum 7.50
Dividend yield 3.10%
Nine-month risk-free interest rate 0.20%
Ten-year risk-free interest rate 3.50%
Weighted average fair value of options granted $ 25.12
Restricted Stock Award [Member]
 
Stock Based Compensation [Line Items]  
Restricted stock units granted in period 32,000
Weighted-average fair value of restricted stock units granted $ 97.22
Performance-Based Restricted Stock Unit Grant [Member]
 
Stock Based Compensation [Line Items]  
Restricted stock units granted in period 247,008
Weighted-average fair value of restricted stock units granted $ 95.74
Restricted Stock Units [Member]
 
Stock Based Compensation [Line Items]  
Restricted stock units granted in period 44,000
Weighted-average fair value of restricted stock units granted $ 103.88