v2.4.0.6
Inventories - Components of Inventory (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 29, 2012
Dec. 31, 2011
Inventories [Line Items]    
Raw materials $ 23,450 $ 25,444
Work in-process 5,041 4,851
Finished goods 20,490 15,649
Total $ 48,981 $ 45,944