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Restructuring, Impairment and Other Charges (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Apr. 30, 2019 | Sep. 28, 2019 | Sep. 29, 2018 | Sep. 28, 2019 | Sep. 29, 2018 | Dec. 29, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges |  | $ 2,215 | $ 4,982 | $ 10,633 | $ 8,895 |
Impairment charges |  | 322 | 0 | 322 | 1,125 |
Restructuring costs |  | 2,537 | 4,982 | 10,955 | 10,020 |
Restructuring reserves |  | 2,300 |  | 2,300 |  | $ 3,900
Employee terminations |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges | $ 1,700 | 813 | 4,816 | 8,878 | 8,059 |
Other restructuring charges |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges | $ 1,100 | 1,402 | 166 | 1,755 | 836 |
Electronics |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges |  | 783 | 4,614 | 4,294 | 8,363 |
Impairment charges |  | 0 | 0 | 0 | 0 |
Restructuring costs |  | 783 | 4,614 | 4,294 | 8,363 |
Electronics | Employee terminations |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges |  | 655 | 4,614 | 4,153 | 7,693 |
Electronics | Other restructuring charges |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges |  | 128 | 0 | 141 | 670 |
Automotive |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges |  | 1,259 | 368 | 5,195 | 467 |
Impairment charges |  | 322 | 0 | 322 | 88 |
Restructuring costs |  | 1,581 | 368 | 5,517 | 555 |
Automotive | Employee terminations |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges |  | 109 | 202 | 3,955 | 301 |
Automotive | Other restructuring charges |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges |  | 1,150 | 166 | 1,240 | 166 |
Industrial |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges |  | 173 | 0 | 1,144 | 65 |
Impairment charges |  | 0 | 0 | 0 | 1,037 |
Restructuring costs |  | 173 | 0 | 1,144 | 1,102 |
Industrial | Employee terminations |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges |  | 49 | 0 | 770 | 65 |
Industrial | Other restructuring charges |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total restructuring charges |  | $ 124 | $ 0 | $ 374 | $ 0 |

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