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Document And Entity Information
9 Months Ended
Oct. 02, 2011
Nov. 04, 2011
Document And Entity Information [Abstract]  
Document Type10-Q 
Amendment Flagfalse 
Document Period End DateOct. 02, 2011
Document Fiscal Year Focus2011 
Document Fiscal Period FocusQ3 
Entity Registrant NameNETGEAR, INC 
Entity Central Index Key0001122904 
Current Fiscal Year End Date--12-31 
Entity Filer CategoryAccelerated Filer 
Entity Common Stock, Shares Outstanding 37,560,904