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Goodwill (Schedule of Goodwill) (Details) - USD ($)
$ in Thousands
6 Months Ended
Apr. 01, 2016
Apr. 03, 2015
Goodwill [Abstract]    
Goodwill, Balance at beginning of period $ 14,292 $ 14,416
Acquisitions 2,338  
Amount attributable to movements in foreign currency rates 42 (107)
Goodwill, Balance at end of period $ 16,672 $ 14,309