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Supplemental Balance Sheet Information - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands | Mar. 29, 2026 | Dec. 28, 2025 | Dec. 29, 2024
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Schedule of Prepaid Expenses and Other Current Assets [Abstract] |  |  |  |  |  |
Costs to obtain contracts and costs to fulfill contracts | $ 17,161 | [1] | $ 7,361 | [1],[2] | $ 3,759 | [2]
Other | 10,691 |  | 9,552 |  | 4,447 |
Total prepaid expenses and other current assets | $ 27,852 |  | $ 16,913 |  | $ 8,206 |
[1] | Costs to obtain contracts and costs to fulfill contracts with customers are recognized within sales commissions and cost of revenues, respectively, when the related revenue is recognized.
[2] | Costs to obtain contracts and costs to fulfill contracts with customers are recognized within sales commissions and cost of revenues, respectively, when the related revenue is recognized.

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