v2.4.0.8
Document and Entity Information
3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 28, 2013
Oct. 29, 2013
Entity Information [Line Items]      
Document Type   10-Q  
Amendment Flag   false  
Document Period End Date Sep. 28, 2013    
Document Fiscal Year Focus   2013  
Document Fiscal Period Focus   Q3  
Trading Symbol   IRBT  
Entity Registrant Name   IROBOT CORP  
Entity Central Index Key   0001159167  
Current Fiscal Year End Date   --12-28  
Entity Filer Category   Large Accelerated Filer  
Entity Common Stock, Shares Outstanding     28,865,070