Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2017	Oct. 02, 2016
Operating Loss Carryforwards [Line Items]
State net operating loss carryforwards	$ 66,500
Valuation allowance	$ 8,507	$ 11,365
Minimum [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards, Expiration Date	Jan. 01, 2018
Maximum [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards, Expiration Date	Jan. 01, 2037