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Acquisitions (Narrative) (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2016 USD ($) item	Oct. 02, 2015 USD ($)	Oct. 03, 2014 USD ($)
Business Acquisition [Line Items]
Number of Businesses Acquired | item	2
Goodwill	$ 11,196	$ 14,292	$ 14,416
Period to Date Acquisition Transaction Costs	$ 753
SeaBear [Member]
Business Acquisition [Line Items]
Business Acquisition, Date of Acquisition Agreement	Oct. 27, 2015
Indemnity Escrow Amount	$ 1,115
Goodwill	$ 2,219
Period of Time from Acquisition Date for Indemnity Claims	18 months
Northport [Member]
Business Acquisition [Line Items]
Business Acquisition, Date of Acquisition Agreement	Apr. 04, 2016
Indemnity Escrow Amount	$ 500
Goodwill	$ 827
Period of Time from Acquisition Date for Indemnity Claims	24 months
Business Combination, Contingent Consideration, Liability	$ 250
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years 3 months 18 days
SeaBear And Northport [Member]
Business Acquisition [Line Items]
Total Consideration of Acquisition	$ 9,200
Goodwill	$ 3,046

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