v2.4.0.6
Intangible Assets - Summary of Amortized Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2012
Sep. 28, 2012
Finite-Lived Intangible Assets [Line Items]    
Intangible assets $ 26,154 $ 26,154
Less accumulated amortization (11,567) (10,778)
Intangible assets-net 14,587 15,376
Acquired Technology [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Intangible assets 13,754 13,754
Less accumulated amortization (6,832) (6,358)
Intangible assets-net 6,922 7,396
Customer Relationships [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Intangible assets 12,400 12,400
Less accumulated amortization (4,735) (4,420)
Intangible assets-net $ 7,665 $ 7,980