Stock-Based Compensation (Employee Stock Purchase Plan) (Details) - Employee Stock Purchase Plan [Member] - $ / shares shares in Thousands	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Period of payroll deductions for funding of employee purchases of company stock (in months)	6 months
Percentage of the lower of the market price at which employees can purchase company stock	85.00%
Period at which purchase price is measured at lower of market price (in months)	6 months
Minimum period to hold employee purchased company stock	18 months
Issuance for employee stock purchase plan (in shares)	25	24	16
Weighted average share price (in dollars per share)	$ 40.49	$ 44.20	$ 58.96