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Acquisitions (Schedule of Assets Acquired and Liabilities Assumed) (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Oct. 02, 2015
Oct. 03, 2014
Business Acquisition [Line Items]      
Goodwill $ 11,196 $ 14,292 $ 14,416
SeaBear And Northport [Member]      
Business Acquisition [Line Items]      
Accounts receivable 66    
Inventories 197    
Other current assets 40    
Property, plant and equipment 27    
Identifiable intangible assets 6,706    
Less, accounts payable and accruals 350    
Less, long term liabilities 580    
Total identifiable net assets 6,106    
Goodwill 3,046    
Net assets acquired $ 9,152