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Income Taxes (Components Of Income Before Income Taxes) (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Oct. 03, 2015
Income Tax Disclosure [Abstract]      
Domestic $ (9,658) $ 5,345 $ 31,827
Foreign 32,669 28,167 27,345
Income before income taxes $ 23,011 $ 33,512 $ 59,172