Annual report pursuant to Section 13 and 15(d)

The Company and Its Significant Accounting Policies Concentration Risk (Details)

v2.3.0.15
The Company and Its Significant Accounting Policies Concentration Risk (Details)
Sep. 25, 2011
Sep. 26, 2010
Sep. 27, 2009
Revenues [Member]
     
Concentration Risk [Line Items]      
Concentration risk, number of customers 2 2 2
Revenues [Member] | Customer Concentration Risk [Member]
     
Concentration Risk [Line Items]      
Concentration risk, percentage, customer 1 13.00% 15.00% 18.00%
Concentration risk, percentage, customer 2 13.00% 10.00% 13.00%
Accounts Receivable [Member]
     
Concentration Risk [Line Items]      
Concentration risk, number of customers 2 3  
Accounts Receivable [Member] | Customer Concentration Risk [Member]
     
Concentration Risk [Line Items]      
Concentration risk, percentage 34.00% 42.00%