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Nature of Operations and Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
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Oct. 02, 2021 | Sep. 26, 2020 | Oct. 02, 2021 | Sep. 26, 2020 | Jan. 02, 2021
Accounting Policies [Abstract] |  |  |  |  |
Bank guarantees, expiration period |  |  | 12 months |  |
Revenue recognized | $ 3,973 | $ 1,656 | $ 31,183 | $ 28,522 |
Revenue, remaining performance obligation, amount | 38,135 |  | $ 38,135 |  |
Banker's acceptance drafts, maturity period |  |  | 6 months |  |
Banker's acceptance drafts | $ 7,428 |  | $ 7,428 |  | $ 9,445

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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 + Details
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