Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Sep. 28, 2019
Property, Plant and Equipment [Abstract]
Land	$ 36,584	$ 33,111
Buildings and Improvements, Gross	483,370	469,867
Machinery and Equipment, Gross	803,236	775,378
Computer equipment and software, gross	139,495	137,221
Property, Plant and Equipment, Gross	1,462,685	1,415,577
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(849,198)	(828,810)
Property, plant and equipment, net	$ 613,487	$ 586,767

Computer equipment and software, gross

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- Definition

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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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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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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