Employee Stock Award, Option and Benefit Plans - Fair Value of Stock Compensation (Details) - $ / shares	12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Expected volatility	28.70%	36.90%	37.90%
Risk-free interest rate	0.96%	0.60%	0.30%
PRSU weighted average fair value	$ 70.57	$ 77.10	$ 48.48
Employee Stock Purchase Plans
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Expected life in years	6 months	6 months	6 months
Expected volatility	28.60%	24.10%	32.30%
Risk-free interest rate	0.10%	0.10%	0.10%
Weighted average fair value per share	$ 14.39	$ 13.57	$ 10.56