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Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 25, 2021
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract] |
Components of Accumulated Other Comprehensive Income, Net of Tax | The components of accumulated other comprehensive income, net of tax, at September 25, 2021, as well as the activity for the nine months ended September 25, 2021, were as follows:
|  | Foreign currency translation adjustments |  |  | Net unrealized gains (losses) on available-for-sale marketable securities |  |  | Accumulated other comprehensive income |
Balance at December 26, 2020 |  | $ | 4,479 |  |  | $ | 89 |  |  | $ | 4,568 |
Net current period other comprehensive loss |  |  | (1,307 | ) |  |  | (237 | ) |  |  | (1,544 | )
Reclassifications |  |  | — |  |  |  | — |  |  |  | — |
Balance at September 25, 2021 |  | $ | 3,172 |  |  | $ | (148 | ) |  | $ | 3,024 |

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