<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.23.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>78</ContextCount>
  <ElementCount>28</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>14</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>2</UnitCount>
  <MyReports>
    <Report instance="irbt-20230410.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>995100 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/dei/role/document/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="irbt-20230410.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="DEF 14A" original="irbt-20230410.htm">irbt-20230410.htm</File>
    <File>irbt-20230410.xsd</File>
    <File>irbt-20230410_def.xml</File>
    <File>irbt-20230410_lab.xml</File>
    <File>irbt-20230410_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>irbt-20230410_g1.jpg</File>
    <File>irbt-20230410_g10.jpg</File>
    <File>irbt-20230410_g11.jpg</File>
    <File>irbt-20230410_g12.jpg</File>
    <File>irbt-20230410_g13.jpg</File>
    <File>irbt-20230410_g14.jpg</File>
    <File>irbt-20230410_g15.jpg</File>
    <File>irbt-20230410_g16.jpg</File>
    <File>irbt-20230410_g17.jpg</File>
    <File>irbt-20230410_g18.jpg</File>
    <File>irbt-20230410_g19.jpg</File>
    <File>irbt-20230410_g2.jpg</File>
    <File>irbt-20230410_g20.jpg</File>
    <File>irbt-20230410_g21.jpg</File>
    <File>irbt-20230410_g22.jpg</File>
    <File>irbt-20230410_g23.jpg</File>
    <File>irbt-20230410_g24.jpg</File>
    <File>irbt-20230410_g25.jpg</File>
    <File>irbt-20230410_g26.jpg</File>
    <File>irbt-20230410_g27.jpg</File>
    <File>irbt-20230410_g28.jpg</File>
    <File>irbt-20230410_g29.jpg</File>
    <File>irbt-20230410_g3.jpg</File>
    <File>irbt-20230410_g30.jpg</File>
    <File>irbt-20230410_g31.jpg</File>
    <File>irbt-20230410_g32.jpg</File>
    <File>irbt-20230410_g33.jpg</File>
    <File>irbt-20230410_g34.jpg</File>
    <File>irbt-20230410_g35.jpg</File>
    <File>irbt-20230410_g36.jpg</File>
    <File>irbt-20230410_g37.jpg</File>
    <File>irbt-20230410_g38.jpg</File>
    <File>irbt-20230410_g39.jpg</File>
    <File>irbt-20230410_g4.jpg</File>
    <File>irbt-20230410_g40.jpg</File>
    <File>irbt-20230410_g41.jpg</File>
    <File>irbt-20230410_g42.jpg</File>
    <File>irbt-20230410_g43.jpg</File>
    <File>irbt-20230410_g44.jpg</File>
    <File>irbt-20230410_g45.jpg</File>
    <File>irbt-20230410_g46.jpg</File>
    <File>irbt-20230410_g47.jpg</File>
    <File>irbt-20230410_g48.jpg</File>
    <File>irbt-20230410_g49.jpg</File>
    <File>irbt-20230410_g5.jpg</File>
    <File>irbt-20230410_g50.jpg</File>
    <File>irbt-20230410_g51.jpg</File>
    <File>irbt-20230410_g52.jpg</File>
    <File>irbt-20230410_g6.jpg</File>
    <File>irbt-20230410_g7.jpg</File>
    <File>irbt-20230410_g8.jpg</File>
    <File>irbt-20230410_g9.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="3">http://fasb.org/us-gaap/2022</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/dei/2022q4</BaseTaxonomy>
    <BaseTaxonomy items="91">http://xbrl.sec.gov/ecd/2022q4</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
