Commitments, Contingencies And Legal Matters (Details) $ in Thousands	12 Months Ended
	Sep. 27, 2015 USD ($) center	Sep. 28, 2014 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Loss Contingency, Damages Sought	$ 45,000
General liability and workers' comp estimated claims to be paid by insurance providers	$ 25,800	$ 24,600
number of distribution center leases assigned to third parties | center	1
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 1,300
Unconditional purchase obligations, 2013	802,700
Unconditional purchase obligations, 2014	567,500
Unconditional purchase obligations, 2015	247,600
Unconditional purchase obligations, 2016	206,400
Unconditional purchase obligations, 2017	200,100
Unconditional purchase obligations, Total	$ 2,024,300