Property, Plant and Equipment (Schedule Of Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2012	Sep. 28, 2012
Property, Plant and Equipment
Total property, plant and equipment, gross	$ 774,792	$ 754,588
Accumulated depreciation	(487,539)	(475,205)
Total property, plant and equipment, net	287,253	279,383
Land and improvements
Property, Plant and Equipment
Total property, plant and equipment, gross	12,011	12,009
Building and improvements
Property, Plant and Equipment
Total property, plant and equipment, gross	57,859	56,969
Furniture and fixtures
Property, Plant and Equipment
Total property, plant and equipment, gross	25,529	25,380
Machinery and equipment
Property, Plant and Equipment
Total property, plant and equipment, gross	641,147	623,328
Construction in progress
Property, Plant and Equipment
Total property, plant and equipment, gross	$ 38,246	$ 36,902

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived 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, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived 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, furniture and fixtures, and computer equipment.

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