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Restructuring, Impairment and Other Charges (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 26, 2020 | Jun. 27, 2020 | Sep. 28, 2019 | Sep. 26, 2020 | Sep. 28, 2019 | Dec. 28, 2019
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | $ 1,277 |  | $ 2,215 | $ 4,826 | $ 10,633 |
Impairment charges | 0 |  | 322 | 36,078 | 322 |
Restructuring costs | 1,277 |  | 2,537 | 40,904 | 10,955 |
Restructuring reserves | 4,500 |  |  | 4,500 |  | $ 2,700
Employee terminations |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | 1,198 |  | 813 | 4,614 | 8,878 |
Other restructuring charges |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | 79 |  | 1,402 | 212 | 1,755 |
Electronics |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | 388 |  | 783 | 2,125 | 4,294 |
Impairment charges | 0 |  | 0 | 0 | 0 |
Restructuring costs | 388 |  | 783 | 2,125 | 4,294 |
Electronics | Employee terminations |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | 388 |  | 655 | 2,125 | 4,153 |
Electronics | Other restructuring charges |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | 0 |  | 128 | 0 | 141 |
Automotive |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | 162 |  | 1,259 | 878 | 5,195 |
Impairment charges | 0 |  | 322 | 33,841 | 322 |
Restructuring costs | 162 |  | 1,581 | 34,719 | 5,517 |
Automotive | Employee terminations |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | 162 |  | 109 | 770 | 3,955 |
Automotive | Other restructuring charges |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | 0 |  | 1,150 | 108 | 1,240 |
Industrial |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | 727 |  | 173 | 1,823 | 1,144 |
Impairment charges | 0 |  | 0 | 2,237 | 0 |
Restructuring costs | 727 |  | 173 | 4,060 | 1,144 |
Industrial | Employee terminations |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | 648 |  | 49 | 1,719 | 770 |
Industrial | Other restructuring charges |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Total restructuring charges | $ 79 |  | $ 124 | $ 104 | $ 374 |
Industrial | Facility Closing |  |  |  |  |  |
Restructuring Cost and Reserve |  |  |  |  |  |
Impairment charges |  | $ 2,200 |  |  |  |

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