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Organization and Description of Business and Accounting Policies - Summary of Changes in Accumulated Other Comprehensive Income (Loss) - (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 27, 2024 | Dec. 29, 2023 | Dec. 30, 2022
Balance | $ (4,113) | $ 156 | $ (4,048)
Other comprehensive income (loss) | (3,651) | (5,035) | 4,200
Tax effect | 733 | 766 | 4
Balance | (7,031) | (4,113) | 156
Foreign Currency Translation |  |  |
Balance | (2,297) | (1,547) | (88)
Other comprehensive income (loss) | (1,775) | (1,095) | (2,090)
Tax effect | 542 | 345 | 631
Balance | (3,530) | (2,297) | (1,547)
Investments Available for Sale |  |  |
Balance | (37) | (336) |
Other comprehensive income (loss) | 31 | 363 | (406)
Tax effect | (5) | (64) | 70
Balance | (11) | (37) | (336)
Defined Benefit Pension Plan | JAPAN |  |  |
Balance | 56 | 184 | 192
Other comprehensive income (loss) | 16 | (182) | (11)
Tax effect | (5) | 54 | 3
Balance | 67 | 56 | 184
Defined Benefit Pension Plan | SWITZERLAND |  |  |
Balance | (1,835) | 1,855 | (4,152)
Other comprehensive income (loss) | (1,923) | (4,121) | 6,707
Tax effect | 201 | 431 | (700)
Balance | $ (3,557) | $ (1,835) | $ 1,855

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