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Balance Sheet Details - Summary of Accrued Expenses (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Royalties	$ 5,709	$ 4,035
Payroll and related expenses	14,760	8,038
Product warranty	852	1,196	$ 1,580	$ 2,244
Market development funds and price protection	2,924	2,502
Professional fees	1,043	780
Deferred revenue	592	962
Restructuring	70	1,886
Acquisition-related earn out	1,446	0
Other	3,023	4,445
Accrued expenses, Total	$ 30,419	$ 23,844

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