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Summary of Significant Accounting Policies (Details)
12 Months Ended
Sep. 28, 2013
USD ($)
item
Sep. 29, 2012
USD ($)
Sep. 24, 2011
USD ($)
Sep. 28, 2013
Foreign exchange contract
ZAR
USD ($)
Sep. 28, 2013
Foreign exchange contract
ZAR
Business:          
Number of operating segments 2        
Principles of Consolidation and Presentation:          
Length of fiscal year 1 year 1 year 7 days 1 year    
Financial Instruments:          
(Loss) earnings from trading securities $ 136,000 $ 238,000 $ (40,000)    
Forward exchange contract to sell as a hedge against the future sales price amount       1,200,000 11,000,000
Unrealized loss on foreign currency cash flow hedge $ 48,000     $ 48,000