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Goodwill (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Apr. 03, 2015
Mar. 28, 2014
Goodwill [Abstract]    
Goodwill, balance at beginning of period $ 14,416us-gaap_Goodwill $ 21,053us-gaap_Goodwill
Amount attributable to movements in foreign currency rates (107)us-gaap_GoodwillTranslationAdjustments 84us-gaap_GoodwillTranslationAdjustments
Goodwill, Balance at end of period $ 14,309us-gaap_Goodwill $ 21,137us-gaap_Goodwill