XML 77 R67.htm IDEA: XBRL DOCUMENT
v3.21.2

Commitments and Contingencies - Narrative (Details) | Apr. 08, 2021 patent | Apr. 09, 2020 patent | Sep. 05, 2018 patent | Jun. 30, 2021 inter_partes_review
--- | --- | --- | --- | ---
Contingencies [Line Items] |  |  |  |
Number of IPR requests denied | inter_partes_review |  |  |  | 11
Number of IPR requests granted | inter_partes_review |  |  |  | 7
Roku Lawsuit |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon |  |  | 2 |
Roku Lawsuit | Pending litigation |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon |  |  | 9 |
Number of patent families |  |  | 4 |
Roku, TCL, Hisense, and Funai Patent Infringement - ITC Matter | Pending litigation |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon |  | 5 |  |
TLC Hisense and Funai - ITC Matter | Pending litigation |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon |  | 6 |  |
Roku- ITC Matter | Pending litigation |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon | 2 |  |  |

X
- Definition [Line Items] for Contingencies [Table] + References No definition available. + Details
Name: | ueic_ContingenciesLineItems
Namespace Prefix: | ueic_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Patents Allegedly Infringed, Patent Families, Number + References No definition available. + Details
Name: | ueic_LossContingencyPatentsAllegedlyInfringedPatentFamiliesNumber
Namespace Prefix: | ueic_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Inter Partes Review (IPR) Requests Denied + References No definition available. + Details
Name: | ueic_NumberOfInterPartesReviewIPRRequestsDenied
Namespace Prefix: | ueic_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Inter Partes Review (IPR) Requests Granted + References No definition available. + Details
Name: | ueic_NumberOfInterPartesReviewIPRRequestsGranted
Namespace Prefix: | ueic_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of another entity's patents that the entity has allegedly infringed. + References No definition available. + Details
Name: | us-gaap_LossContingencyPatentsAllegedlyInfringedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_LitigationCaseAxis=ueic_PatentLawsuitAgainstRokuMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=ueic_RokuTCLHisenseandFunaiPatentInfringementITCMatterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=ueic_TLCHisenseandFunaiITCMatterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=ueic_RokuITCMatterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |