Commitments, Contingencies And Legal Matters (Details) $ in Thousands	12 Months Ended
	Oct. 02, 2016 USD ($) center	Sep. 27, 2015 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Unconditional purchase obligations, 2017	$ 993,500
Unconditional purchase obligations, 2018	554,900
Unconditional purchase obligations, 2019	455,200
Unconditional purchase obligations, 2020	369,600
Unconditional purchase obligations, 2021	358,900
Unconditional purchase obligations, Total	2,732,100
Loss Contingency, Damages Sought	45,000
General liability and workers' comp estimated claims to be paid by insurance providers	8,600	$ 25,800
Legal Judgment Paid by our Insurance Providers	$ 21,700
number of distribution center leases assigned to third parties | center	1
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 700