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Financial Statement Details - Summary of Accrued Expenses (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Payables And Accruals [Abstract]      
Royalties $ 4,243 $ 4,349  
Payroll and related expenses 4,828 7,788  
Product warranty 2,244 2,329 1,525
Market development funds and price protection 3,059 2,147  
Professional fees 1,040 1,549  
Deferred revenue 2,999 4,630  
Restructuring 610 0  
Other 4,248 5,008  
Accrued expenses, Total $ 23,271 $ 27,800