Capital Assets (Property And Equipment) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 262,575	$ 251,621
Less accumulated depreciation	(162,645)	(150,832)
Property and equipment, net	99,930	100,789	$ 80,454
Land and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,867	2,865
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	60,340	59,350
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	196,621	189,406
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,747	$ 0