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The Company and Its Significant Accounting Policies Concentration Risk (Details)
12 Months Ended
Sep. 29, 2013
Sep. 30, 2012
Sep. 25, 2011
Revenues [Member]
     
Concentration Risk [Line Items]      
Concentration risk, number of companies 2 2 2
Revenues [Member] | Customer Concentration Risk [Member]
     
Concentration Risk [Line Items]      
Concentration risk, percentage 24.00% 20.00% 13.00%
Concentration risk, percentage 19.00% 18.00% 13.00%
Accounts Receivable [Member]
     
Concentration Risk [Line Items]      
Concentration risk, number of companies 2 3  
Concentration risk, percentage 43.00% 48.00%