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Summary Of Significant Accounting Policies (Schedule Of Intangible Assets) (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Oct. 02, 2015
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible $ 21,984 $ 17,920
Accumulated Amortization (7,522) (6,232)
Intangible Assets, Net (Excluding Goodwill), Total 14,462 11,688
Patents and Trademarks [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible 4,155 4,149
Accumulated Amortization (4,026) (3,929)
Intangible Assets, Net (Excluding Goodwill), Total 129 220
Other Amortizable Intagibles [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible 10,804 6,746
Accumulated Amortization (3,496) (2,303)
Intangible Assets, Net (Excluding Goodwill), Total 7,308 4,443
Non-amortized Trademarks [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible 7,025 7,025
Intangible Assets, Net (Excluding Goodwill), Total $ 7,025 $ 7,025