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Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 27, 2024 | Dec. 29, 2023
Finite Life |  |
Accumulated amortization | $ (150,156) | $ (137,356)
Indefinite Life |  |
Total Cost | 272,924 | 269,524
Total Foreign Currency Translation | (5,804) | (5,910)
Total Book Value | 116,964 | 126,258
Trade Names |  |
Indefinite Life |  |
Cost | 62,633 | 62,633
Indefinite-lived Intangible Assets, Foreign Currency Translation Gain (Loss) | 1,813 | 2,025
Book value | 64,446 | 64,658
Customer Relationships |  |
Finite Life |  |
Cost | 194,417 | 191,417
Accumulated amortization | (139,594) | (128,248)
Foreign currency translation | (7,287) | (7,591)
Book value | $ 47,536 | $ 55,578
Weighted average life in years | 13 years | 13 years
Patents and Proprietary Technology |  |
Finite Life |  |
Cost | $ 14,174 | $ 14,174
Accumulated amortization | (9,828) | (8,547)
Foreign currency translation | (330) | (344)
Book value | $ 4,016 | $ 5,283
Weighted average life in years | 9 years | 9 years
Trademarks, Trade Names and Other |  |
Finite Life |  |
Cost | $ 1,700 | $ 1,300
Accumulated amortization | (734) | (561)
Foreign currency translation | 0 | 0
Book value | $ 966 | $ 739
Weighted average life in years | 6 years | 6 years

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