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Segment Information (Tables) | 9 Months Ended
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Oct. 04, 2025
Segment Reporting [Abstract] |
Schedule of revenue attributed to geographic area based on shipped-to location | Revenue is attributed to a geographic area based on the shipped-to location. The following summarizes the Company’s revenue by geographic area (in thousands):
| Three Months Ended |  | Nine Months Ended
| October 4, 2025 |  | September 28, 2024 |  | October 4, 2025 |  | September 28, 2024
United States | $ | 20,701 |  |  | $ | 14,710 |  |  | $ | 61,939 |  |  | $ | 30,779 |
China | 67,153 |  |  | 61,939 |  |  | 187,055 |  |  | 137,479 |
Taiwan | 35,507 |  |  | 19,778 |  |  | 95,796 |  |  | 50,533 |
Rest of world | 82,638 |  |  | 69,968 |  |  | 231,768 |  |  | 199,346 |
Total | $ | 205,999 |  |  | $ | 166,395 |  |  | $ | 576,558 |  |  | $ | 418,137 |
Schedule of segment reporting information, by segment | The significant expense categories regularly provided to the CODM, in addition to the expense categories included within net loss presented on the Company’s Condensed Consolidated Statement of Operations, are as follows (in thousands):
| Three Months Ended |  | Nine Months Ended
| October 4, 2025 |  | September 28, 2024 |  | October 4, 2025 |  | September 28, 2024
Research and development: |  |  |  |  |  |  |
Employee base compensation | $ | 32,764 |  |  | $ | 31,872 |  |  | $ | 98,170 |  |  | $ | 92,286 |
Other research and development expenses (1) | 54,921 |  |  | 51,356 |  |  | 165,555 |  |  | 157,501 |
Total research and development | $ | 87,685 |  |  | $ | 83,228 |  |  | $ | 263,725 |  |  | $ | 249,787 |
Selling, general and administrative: |  |  |  |  |  |  |
Employee base compensation | $ | 13,750 |  |  | $ | 13,340 |  |  | $ | 41,596 |  |  | $ | 39,107 |
Other selling, general and administrative expenses (1) | 29,926 |  |  | 23,453 |  |  | 86,873 |  |  | 69,934 |
Total selling, general and administrative | $ | 43,676 |  |  | $ | 36,793 |  |  | $ | 128,469 |  |  | $ | 109,041 |
(1) Other research and development and selling, general and administrative expenses include other personnel-related expenses, outside services, software expense, depreciation, amortization, and other expenses.
Schedule of property and equipment, net by geographic area | The following summarizes the Company’s property and equipment, net by geographic area (in thousands):
| October 4, 2025 |  | December 28, 2024
United States | $ | 107,204 |  |  | $ | 107,612 |
Rest of world | 21,119 |  |  | 24,524 |
Total | $ | 128,323 |  |  | $ | 132,136 |

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- Definition Tabular disclosure of long-lived assets, excluding financial instruments, long-term customer relationships of a financial institution, mortgage rights, deferred policy acquisition costs, and deferred tax assets, by geographic areas located in the entity's country of domicile and foreign countries in which the entity holds assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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