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Balance Sheet Details - Summary of Inventories (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Finished goods $ 32,763us-gaap_InventoryFinishedGoods $ 33,045us-gaap_InventoryFinishedGoods
Raw materials and components 13,557us-gaap_InventoryRawMaterials 4,758us-gaap_InventoryRawMaterials
Total inventory $ 46,320us-gaap_InventoryNet $ 37,803us-gaap_InventoryNet