| Component: (Network and Table) | |
|---|---|
| Network | 2415403 - Disclosure - Business Segment and Foreign Operations - Long-lived Assets (Details) (http://www.uei.com/role/BusinessSegmentAndForeignOperationsLongLivedAssetsDetails) |
| Table | Schedule Of Long-lived Assets From Geographical Segments [Table] |
| Reporting Entity [Axis] | 0000101984 (http://www.sec.gov/CIK) |
| Long-Lived Assets [Line Items] | Period [Axis] | |||||||
|---|---|---|---|---|---|---|---|---|
2016-12-31 | 2015-12-31 | |||||||
| Geographical [Axis] | Geographical [Axis] | |||||||
| United States | People's Republic of China (PRC) | Other | Geographical [Domain] | United States | People's Republic of China (PRC) | Other | Geographical [Domain] | |
Total long-lived tangible assets | ||||||||