XML 11 R65.htm IDEA: XBRL DOCUMENT
v3.20.1

Commitments and Contingencies - Narrative (Details) - Pending Litigation |  |  |  | 1 Months Ended
--- | --- | --- | --- | ---
Apr. 09, 2020 patent | Sep. 05, 2018 patent | Jun. 10, 2015 product subsidiary patent customer | Sep. 30, 2015 patent
UEBV Lawsuit |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of subsidiaries named in lawsuit | subsidiary |  |  | 1 |
Number of customers named in lawsuit | customer |  |  | 1 |
UEBV Lawsuit | Design Patents |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of products named in lawsuit | product |  |  | 1 |
Number of patents allegedly infringed upon |  |  | 2 |
UEBV Lawsuit | Utility Patents |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon |  |  | 1 | 1
Roku Lawsuit | Utility Patents |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon |  | 9 |  |
Subsequent Event | Roku, TCL, Hisense, and Funai Patent Infringement - ITC Matter |  |  |  |
Contingencies [Line Items] |  |  |  |
Number of patents allegedly infringed upon | 8 |  |  |

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, Number of Customers Named in Lawsuit + References No definition available. + Details
Name: | ueic_LossContingencyNumberofCustomersNamedinLawsuit
Namespace Prefix: | ueic_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Number of Subsidiaries Named in Lawsuit + References No definition available. + Details
Name: | ueic_LossContingencyNumberofSubsidiariesNamedinLawsuit
Namespace Prefix: | ueic_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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

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_PatentLawsuitAgainstUEBVandTelenetMember
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: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=ueic_DesignPatentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=ueic_UtilityPatentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
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: |