Summary Of Significant Accounting Policies (Schedule Of Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2012	Sep. 30, 2011
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 134,902	$ 132,387
Less accumulated depreciation	98,235	97,229
Property, plant, and equipment, net	36,667	35,158
Property Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	599	620
Buildings And Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	19,336	22,040
Furnitures, Fixtures And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 114,967	$ 109,727

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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