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Cash and cash equivalents (Tables) | 12 Months Ended
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Dec. 30, 2022
Cash and Cash Equivalents [Abstract] |
Cash and cash equivalents | Cash and cash equivalents consisted of the following as of December 30, 2022:
|  |  |  |  |  |  |  |  |  |  | Estimated |
(In thousands) |  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Fair Value |
Classified as current assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash |  | $ | 109,299 |  |  | $ | — |  |  | $ | — |  |  | $ | 109,299 |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Money market securities |  |  | 52,159 |  |  |  | — |  |  |  | — |  |  |  | 52,159 |
Total cash equivalents |  |  | 52,159 |  |  |  | — |  |  |  | — |  |  |  | 52,159 |
Total cash and cash equivalents |  |  | 161,458 |  |  |  | — |  |  |  | — |  |  |  | 161,458 |
Cash and cash equivalents consisted of the following as of December 31, 2021:
|  |  |  |  |  |  |  |  |  |  | Estimated |
(In thousands) |  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Fair Value |
Classified as current assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash |  | $ | 196,106 |  |  | $ | — |  |  | $ | — |  |  | $ | 196,106 |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Money market securities |  |  | 101,581 |  |  |  | — |  |  |  | — |  |  |  | 101,581 |
Total cash equivalents |  |  | 101,581 |  |  |  | — |  |  |  | — |  |  |  | 101,581 |
Total cash and cash equivalents |  |  | 297,687 |  |  |  | — |  |  |  | — |  |  |  | 297,687 |

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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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