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Summary Of Significant Accounting Policies (Schedule Of Property, Plant And Equipment) (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Oct. 02, 2015
Property, Plant and Equipment [Line Items]    
Property, plant, and equipment, gross $ 172,919 $ 162,189
Less accumulated depreciation 123,921 116,902
Property, Plant and Equipment, Net, Total 48,998 45,287
Property Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant, and equipment, gross 590 588
Buildings And Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant, and equipment, gross 21,631 21,127
Furnitures, Fixtures And Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant, and equipment, gross $ 150,698 $ 140,474