v2.4.0.8
Borrowings and Credit Arrangements - Interest Expense under Convertible Notes (Parenthetical) (Detail) (Convertible Notes Payable [Member])
Sep. 28, 2013
Sep. 29, 2012
Sep. 24, 2011
Convertible Notes Payable [Member]
     
Debt Conversion [Line Items]      
Percentage of accrued interest on Convertible Notes 2.00% 2.00% 2.00%