Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Capital Assets (Property And Equipment) (Details) - USD ($) $ in Thousands	Sep. 29, 2018	Sep. 30, 2017	Oct. 01, 2016
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 268,223	$ 262,575
Less accumulated depreciation	(177,954)	(162,645)
Property and equipment, net	90,269	99,930	$ 100,789
Land and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,881	2,867
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	58,880	60,340
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	203,647	196,621
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,815	$ 2,747