Other Financial Information Other Financial Information (Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	Oct. 02, 2020	Sep. 27, 2019
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	$ 787,258	$ 804,931
Accumulated depreciation and amortization	(467,887)	(496,788)
Property, Equipment and Improvements, net	319,371	308,143
Land
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	966	355
Buildings
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	21,550	14,331
Equipment
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	560,352	533,804
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	187,980	247,660
Construction in progress
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	$ 16,410	$ 8,781

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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