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Summary of Significant Accounting Policies and Other Information - Revenue Disaggregation (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 28, 2019 | Sep. 29, 2018 | Sep. 28, 2019 | Sep. 29, 2018
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 361,971 | $ 439,191 | $ 1,165,350 | $ 1,316,187
Electronics – Passive Products and Sensors |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 94,766 | 124,174 | 311,624 | 366,990
Electronics – Semiconductor |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 132,486 | 172,298 | 440,575 | 493,250
Passenger Car Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 53,889 | 57,761 | 164,348 | 184,922
Automotive Sensors |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 23,877 | 27,311 | 74,616 | 89,362
Commercial Vehicle Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 26,915 | 29,344 | 87,850 | 93,434
Industrial Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 30,038 | 28,303 | 86,337 | 88,229
Electronics Segment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 227,252 | 296,472 | 752,199 | 860,240
Electronics Segment | Electronics – Passive Products and Sensors |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 94,766 | 124,174 | 311,624 | 366,990
Electronics Segment | Electronics – Semiconductor |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 132,486 | 172,298 | 440,575 | 493,250
Electronics Segment | Passenger Car Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Electronics Segment | Automotive Sensors |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Electronics Segment | Commercial Vehicle Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Electronics Segment | Industrial Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Automotive Segment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 104,681 | 114,416 | 326,814 | 367,718
Automotive Segment | Electronics – Passive Products and Sensors |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Automotive Segment | Electronics – Semiconductor |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Automotive Segment | Passenger Car Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 53,889 | 57,761 | 164,348 | 184,922
Automotive Segment | Automotive Sensors |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 23,877 | 27,311 | 74,616 | 89,362
Automotive Segment | Commercial Vehicle Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 26,915 | 29,344 | 87,850 | 93,434
Automotive Segment | Industrial Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Industrial Segment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 30,038 | 28,303 | 86,337 | 88,229
Industrial Segment | Electronics – Passive Products and Sensors |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Industrial Segment | Electronics – Semiconductor |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Industrial Segment | Passenger Car Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Industrial Segment | Automotive Sensors |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Industrial Segment | Commercial Vehicle Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Industrial Segment | Industrial Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 30,038 | $ 28,303 | $ 86,337 | $ 88,229

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