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Commitments And Contingencies (Narrative) (Details) (USD $)
1 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Nov. 30, 2013
companies
claim
patent
Oct. 30, 2013
patent
claim
Oct. 31, 2008
companies
Dec. 31, 2013
patent
Y
case
supplier
Dec. 31, 2012
Dec. 31, 2011
Oct. 31, 2013
claim
patent
May 21, 2013
case
Sep. 17, 2012
patent
Jul. 31, 2012
patent
Dec. 28, 2011
case
Nov. 16, 2011
patents
actions
Nov. 19, 2010
patent
Sep. 14, 2010
patents
Jan. 03, 2013
Ruckus Wireless v. NETGEAR [Member]
case
Dec. 31, 2013
D-Link [Member]
Ericsson v. NETGEAR [Member]
Dec. 31, 2013
NETGEAR [Member]
Ericsson v. NETGEAR [Member]
Dec. 31, 2013
Toshiba [Member]
Ericsson v. NETGEAR [Member]
Dec. 31, 2013
Belkin [Member]
Ericsson v. NETGEAR [Member]
Dec. 31, 2013
Acer Gateway [Member]
Ericsson v. NETGEAR [Member]
Dec. 31, 2013
Dell [Member]
Ericsson v. NETGEAR [Member]
Dec. 31, 2013
46 To 60 Days [Member]
Dec. 31, 2013
31 To 45 Days [Member]
Dec. 31, 2013
Chief Executive Officer [Member]
Dec. 31, 2013
Senior Vice President Of Worldwide Operations And Support [Member]
Dec. 31, 2013
Other Key Executives [Member]
Dec. 31, 2013
Minimum [Member]
Dec. 31, 2013
Minimum [Member]
46 To 60 Days [Member]
Dec. 31, 2013
Minimum [Member]
31 To 45 Days [Member]
Dec. 31, 2013
Maximum [Member]
Dec. 31, 2013
Maximum [Member]
46 To 60 Days [Member]
Dec. 31, 2013
Maximum [Member]
31 To 45 Days [Member]
Commitments And Contingencies [Line Items]                                                                
Operating leases expiration date       Dec. 31, 2026                                                        
Operating Leases, Rent Expense       $ 9,900,000 $ 7,600,000 $ 7,000,000                                                    
Number of weeks for which salary is payable upon termination of employment without cause (in days)                                               365 days 273 days 182 days            
Continued vesting period after termination without cause (in years)       1 year                                                        
Number of years after change of control to trigger full accelerated vest of unvested portion of stock options (in years)                                               1 year                
Maximum number of years covered by accelerated vest for other key executives if term without cause is within one year of change in control (in years)                                                   2 years            
Percentage of cancelable orders                                           50.00% 25.00%                  
Required notice period prior to the expected shipment date (in days)                                                       46 days 31 days   60 days 45 days
Number of days for non-cancellation of purchase obligations prior to expected shipment date (in days)       30 days                                                        
Non-cancelable purchase commitments       187,300,000                                                        
Liability for Director and Officer Indemnification Agreements       0                                                        
Liability For Customers, Distributors, and Resellers Indemnification Agreements       0                                                        
Number of offensive cases against the company and another company should be consolidated                             2                                  
Number of patents company filed suit for infringement of (in patents)                         4                                      
Number of standing patents the company has filed against other companies   2                                                            
Number of claims remaining standing that the Company has filed against other companies   5                                                            
Number of patents a jury rendered a verdit that were not infringed by other companies that the company filed against             2                                                  
Number of claims that a jury issued a verdict that were not infringed by other companies that the Comapany filed against             5                                                  
Number of Other Companies Lawsuit Was Filed Against 14   30                                                          
Number of patents company is accused of infringing (in patents)                 3 6       8                                    
Number of Remaining Patents Company is Accused of Infringing       5                                                        
Loss Contingency, Damages Awarded, Value                               435,000 3,555,000 2,445,000 600,000 1,170,000 1,920,000                      
Estimated future RAND royalty rate through 2016       0.15                                                        
Estimated future RAND royalty rate 2016 through 2018       0.10                                                        
Estimated future RAND royalty rate 2018 through 2020       0.05                                                        
Reasonable and nondiscriminatory (RAND) royalty rate (USD per unit)       0.15                                                        
Foregone colleting verdict amount (in USD)       3,555,000                                                        
Foregone colleting prejudgement interest ( in USD)       224,141                                                        
Foregone colleting prejectment interest (USD per day)       336                                                        
Foregone Collecting Costs (in USD)       41,667                                                        
Litigation Settlement, Expense       $ 3,555,000                                                        
Number of patents in which company filed judgement action for nonInfringement and invalidity (in patents)                       17                                        
Number of actions brought against end user customers and other companies (in actions)                       15                                        
number of other similar cases will now proceed in the Northern District of Illinois in a consolidated fashion                     15                                          
Number of patents the Company brought its declaratory judgment actotion on non-infringement and invalidity                   17                                            
Patent rate valued by the plaintiff against the Company                                                     3.39     16.17    
Minimum Number of Lawsuits Filed Against Third-Party Suppliers By Competitor       100                                                        
Number of Third-Party Suppliers Filing Declaratory Judgement Actions       2                                                        
Number of Three Asserted Patents with Pending Reexamination       1                                                        
Number of years the plaintiff seeks damages for       3                                                        
Number of cases the plaintiff asserted       22                                                        
Number of cases the plaintiff filed against other companies, including the compapy               9