Capital Assets (Property and Equipment) (Details) - USD ($) $ in Thousands	Jul. 02, 2016	Oct. 03, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 230,271	$ 217,274
Less accumulated depreciation	(147,350)	(136,820)
Property and equipment, net	82,921	80,454
Land and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,705	1,705
Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	53,180	53,097
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 175,386	$ 162,472