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Employee Stock and Benefit Plans (Employee Stock Options Granted During the Period, Valuation Assumptions) (Details) (USD $)
12 Months Ended
Sep. 29, 2013
Sep. 30, 2012
Oct. 02, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Expected term (in years) 4 years 10 months 4 years 10 months 5 years
Expected stock price volatility 34.00% 38.20% 39.00%
Risk-free interest rate 0.70% 1.00% 1.60%
Expected dividend yield 1.60% 1.50% 1.70%
Weighted average grant price $ 51.23 $ 44.26 $ 31.46
Estimated fair value per option granted $ 12.88 $ 12.79 $ 9.58