Annual report pursuant to Section 13 and 15(d)

Concentration of Credit Risk and Significant Customers and Suppliers - Additional Information (Detail)

v2.4.0.8
Concentration of Credit Risk and Significant Customers and Suppliers - Additional Information (Detail)
 12 Months Ended
Sep. 28, 2013
Customer
Sep. 29, 2012
Sep. 24, 2011
Concentration Of Credit Risk [Line Items]      
Percentage of net sales 43.00% 45.00% 45.00%
Number of major customers 5    
Percentage of accounts receivable 35.00% 42.00%  
Percentage of accounts receivable including Company's largest customer 9.00% 15.00%  
Percentage of cost of goods sold 11.00% 9.00% 12.00%
Number of major suppliers 5    
Customer One [Member]
      
Concentration Of Credit Risk [Line Items]      
Percentage of largest customer accounted of the Company's net sales 16.00% 17.00% 16.00%
Customer Two [Member]
      
Concentration Of Credit Risk [Line Items]      
Percentage of largest customer accounted of the Company's net sales 8.00% 7.00% 7.00%
Customer Three [Member]
      
Concentration Of Credit Risk [Line Items]      
Percentage of largest customer accounted of the Company's net sales 8.00% 9.00% 12.00%