v2.4.0.6
Restructurings - Additional Information (Detail) (USD $)
3 Months Ended 12 Months Ended
Dec. 30, 2011
Sep. 28, 2012
Dec. 28, 2012
Restructuring Cost and Reserve [Line Items]      
Restructuring charges $ 1,586,000 $ 1,900,000  
Unpaid costs     $ 128,000