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Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 28, 2020 | Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018
Changes in the carrying amount of goodwill |  |  |  |
Goodwill, Gross |  | $ 161,100,000 | $ 164,921,000 | $ 164,625,000
Accumulated goodwill impairment |  | (71,900,000) | (76,417,000) | (76,417,000)
Balance at the beginning of the period, Goodwill, net | $ 88,504,000 | 88,504,000 | 88,208,000 |
Foreign currency translation adjustment and other |  | 683,000 | 296,000 |
Balance at the end of the period, Goodwill, net |  | 89,187,000 | 88,504,000 | 88,208,000
Decrease to goodwill from dissolution and final liquidation of GNU123 Liquidating Corporation | $ 4,500,000 |  |  |
Goodwill impairment loss |  | 0 | 0 | 0
Impairment of intangible assets |  | $ 0 | $ 0 | $ 0

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- Definition Decrease in goodwill, resulting from dissolution and final liquidation of subsidiaries. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + 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 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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