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Goodwill (Tables) | 12 Months Ended
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Dec. 28, 2020
Goodwill And Intangible Assets Disclosure [Abstract] |
Goodwill by Reportable Segment | As of December 28, 2020, December 30, 2019 and December 31, 2018, goodwill by reportable segment was as follows:
|  | PCB |  | RF&S Components |  | Total |
|  | (In thousands) |
Balance as of December 31, 2018 |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ | 692,978 |  | $ | 177,200 |  | $ | 870,178 |
Accumulated impairment losses |  |  | (171,400 | ) |  | — |  |  | (171,400 | )
|  |  | 521,578 |  |  | 177,200 |  |  | 698,778 |
Goodwill recognized during the year |  |  | 7,746 |  |  | — |  |  | 7,746 |
Balance as of December 30, 2019 |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | 700,724 |  |  | 177,200 |  |  | 877,924 |
Accumulated impairment losses |  |  | (171,400 | ) |  | — |  |  | (171,400 | )
|  |  | 529,324 |  |  | 177,200 |  |  | 706,524 |
Impairment loss during the year |  |  | — |  |  | (69,200 | ) |  | (69,200 | )
Balance as of December 28, 2020 |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | 700,724 |  |  | 177,200 |  |  | 877,924 |
Accumulated impairment losses |  |  | (171,400 | ) |  | (69,200 | ) |  | (240,600 | )
|  | $ | 529,324 |  | $ | 108,000 |  | $ | 637,324 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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