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Goodwill and Other Intangible Assets - Amounts for Goodwill and Changes in Carrying Value by Operating Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 27, 2020 | Jan. 01, 2022 | Dec. 26, 2020 | Dec. 28, 2019
Goodwill |  |  |  |
Gross goodwill |  | $ 975,032 | $ 862,230 | $ 829,383
Accumulated impairment loss |  | (45,242) | (45,418) | (8,794)
Net goodwill |  | 929,790 | 816,812 | 820,589
Additions |  | 134,809 |  |
Impairments |  |  | (33,841) |
Foreign currency translation adjustments |  | (22,007) | 30,064 |
Electronics |  |  |  |
Goodwill |  |  |  |
Gross goodwill |  | 660,245 | 676,325 | 650,796
Accumulated impairment loss |  | 0 | 0 | 0
Net goodwill |  | 660,245 | 676,325 | 650,796
Additions |  | 0 |  |
Impairments |  |  |  |
Foreign currency translation adjustments |  | (16,080) | 25,529 |
Transportation |  |  |  |
Goodwill |  |  |  |
Gross goodwill |  | 228,555 | 138,354 | 131,321
Accumulated impairment loss |  | (36,177) | (36,423) | 0
Net goodwill |  | 192,378 | 101,931 | 131,321
Additions |  | 96,307 |  |
Impairments | $ (33,800) |  | (33,841) |
Foreign currency translation adjustments |  | (6,106) | 4,451 |
Industrial |  |  |  |
Goodwill |  |  |  |
Gross goodwill |  | 86,232 | 47,551 | 47,266
Accumulated impairment loss |  | (9,065) | (8,995) | (8,794)
Net goodwill |  | 77,167 | 38,556 | $ 38,472
Additions |  | 38,502 |  |
Impairments |  |  |  |
Foreign currency translation adjustments |  | $ 179 | $ 84 |

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