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Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2016
Oct. 02, 2015
Oct. 03, 2014
Sep. 27, 2013
Income Tax [Line Items]        
Accrued Interest On Income Taxes $ 1,079 $ 787    
Interest Included In Income Tax Expense 194 148 $ 186  
Unrecognized Tax Benefits 5,096 3,881 3,535  
Unrecognized Tax Benefits That Would Impact Effective Tax Rate 4,600      
Net Undistributed Earnings Of Foreign Subsidiaries 108,552      
Cash And Cash Equivalents 87,294 $ 69,159 $ 70,793 $ 55,694
Foreign [Member]        
Income Tax [Line Items]        
Cash And Cash Equivalents $ 53,698