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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 28, 2024
Accounting Policies [Abstract] |
Schedule of Allowance for Doubtful Accounts | Activity related to our allowance for credit losses was as follows (in thousands):
| Fiscal Year Ended
| December 28, 2024 |  | December 30, 2023 |  | December 31, 2022
Balance at beginning of year | $ | 501 |  |  | $ | 168 |  |  | $ | 195 |
Charges (reversals) to costs and expenses | 20 |  |  | 333 |  |  | (27) |
Write-offs | (517) |  |  | — |  |  | — |
Balance at end of year | $ | 4 |  |  | $ | 501 |  |  | $ | 168 |
Schedules of Concentration of Risk, by Customer | The following customers represented 10% or more of our revenues:
| Fiscal Year Ended
| December 28, 2024 |  | December 30, 2023 |  | December 31, 2022
SK hynix Inc. | 18.9 | % |  | * |  | *
Intel Corporation | 14.6 | % |  | 17.1 | % |  | 19.0 | %
* Less than 10% of revenues.
Schedule of Product Warranty Liability Reconciliation | A reconciliation of the changes in our warranty liability is as follows (in thousands):
| Fiscal Year Ended
| December 28, 2024 |  | December 30, 2023 |  | December 31, 2022
Balance at beginning of year | $ | 3,177 |  |  | $ | 4,199 |  |  | $ | 2,805 |
Accruals | 8,580 |  |  | 7,771 |  |  | 7,746 |
Settlements | (8,199) |  |  | (8,687) |  |  | (6,352) |
Reduction - FRT divestiture | — |  |  | (106) |  |  | — |
Balance at end of year | $ | 3,558 |  |  | $ | 3,177 |  |  | $ | 4,199 |
Schedule of Calculation of Numerator and Denominator in Earnings Per Share | The following table reconciles the shares used in calculating basic net income per share and diluted net income per share (in thousands):
| Fiscal Year Ended
| December 28, 2024 |  | December 30, 2023 |  | December 31, 2022
Weighted-average shares used in computing basic net income per share | 77,340 |  |  | 77,370 |  |  | 77,578 |
Add potentially dilutive securities | 1,097 |  |  | 789 |  |  | 623 |
Weighted-average shares used in computing basic and diluted net income per share | 78,437 |  |  | 78,159 |  |  | 78,201 |
Schedule of Accumulated Other Comprehensive Income (Loss) | Accumulated other comprehensive loss (“AOCL”) includes the following items, the impact of which has been excluded from earnings and reflected as components of stockholders' equity as shown below (in thousands):
| December 28, 2024 |  | December 30, 2023 |
Unrealized losses on available-for-sale marketable securities and other investments | $ | (295) |  |  | $ | (727) |  |
Translation adjustments | (11,429) |  |  | (5,568) |  |
Unrealized gains on derivative instruments | 884 |  |  | 2,243 |  |
Accumulated other comprehensive loss | $ | (10,840) |  |  | $ | (4,052) |  |

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