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Investments Available for Sale (Tables) | 12 Months Ended
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Dec. 30, 2022
Investments Debt And Equity Securities [Abstract] |
Summary of Investments Available for Sale and Related Fair Value Measurement | During 2022, the Company started to invest its cash in slightly higher yielding securities. Investments AFS and the related fair value measurement consisted of the following (dollars in thousands):
|  | December 30, 2022 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Fair Value Measurements |
|  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Estimated Fair Value |  |  | Level 1 |  |  | Level 2 |
Commercial paper |  | $ | 44,054 |  |  | $ | 11 |  |  | $ | (62 | ) |  | $ | 44,003 |  |  | $ | — |  |  | $ | 44,003 |
Certificates of deposit |  |  | 17,355 |  |  |  | 4 |  |  |  | (75 | ) |  |  | 17,284 |  |  |  | — |  |  |  | 17,284 |
U.S. Treasury securities |  |  | 21,847 |  |  |  | 3 |  |  |  | (15 | ) |  |  | 21,835 |  |  |  | 21,835 |  |  |  | — |
U.S. agency securities |  |  | 10,688 |  |  |  | 16 |  |  |  | (3 | ) |  |  | 10,701 |  |  |  | — |  |  |  | 10,701 |
Corporate debt securities |  |  | 45,522 |  |  |  | 4 |  |  |  | (288 | ) |  |  | 45,238 |  |  |  | — |  |  |  | 45,238 |
Total investments AFS |  | $ | 139,466 |  |  | $ | 38 |  |  | $ | (443 | ) |  | $ | 139,061 |  |  | $ | 21,835 |  |  | $ | 117,226 |
Summary of Fair Value of Investments Available for Sale by Contractual Maturity | The following table shows the fair value of investments AFS by contractual maturity (dollars in thousands):
|  | As of December 30, 2022 |
|  | Within one year |  |  | After one year through five years |  |  |  | Total |
Commercial paper |  | $ | 44,003 |  |  | $ | — |  |  |  | $ | 44,003 |
Certificates of deposit |  |  | 17,284 |  |  |  | — |  |  |  |  | 17,284 |
U.S. Treasury securities |  |  | 18,961 |  |  |  | 2,874 |  |  |  |  | 21,835 |
U.S. agency securities |  |  | 8,653 |  |  |  | 2,048 |  |  |  |  | 10,701 |
Corporate debt securities |  |  | 36,258 |  |  |  | 8,980 |  |  |  |  | 45,238 |
Total investments AFS |  | $ | 125,159 |  |  | $ | 13,902 |  |  |  | $ | 139,061 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 + Details
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