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Commitments and Contingencies - Defined Benefit Plan (Details) - India subsidiary | 12 Months Ended
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Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items] |
Percentage of employees eligible for benefits | 53.00%
Minimum service period of employees to be eligible under plan | 5 years
Number of days salary payable under termination, resignation, or retirement | 15 days

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- Definition Defined Benefit Plan, Benefit Obligation, Accrual Term Per Year Of Service Provided + References No definition available. + Details
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Namespace Prefix: | ueic_
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Balance Type: | na
Period Type: | duration

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- Definition Percentage of employees eligible for pension benefits under defined benefit pension plan. + References No definition available. + Details
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Namespace Prefix: | ueic_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Defined Benefit Plan, Requisite Service Period + References No definition available. + Details
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Namespace Prefix: | ueic_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Details
Name: | dei_LegalEntityAxis=ueic_IndiaSubsidiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |