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Intangible Assets (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 27, 2020 | Jun. 28, 2020 | Sep. 29, 2019 | Sep. 27, 2020 | Sep. 29, 2019 | May 26, 2020 | Dec. 31, 2019
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Gross Carrying Value | $ 73,675,000 |  |  | $ 73,675,000 |  |  | $ 93,474,000
Accumulated Amortization | 57,193,000 |  |  | 57,193,000 |  |  | 53,984,000
Net Carrying Value | 16,482,000 |  |  | 16,482,000 |  |  | 39,490,000
Intangible asset impairment charges | 0 | $ 19,571,000 | $ 0 | 19,571,000 | $ 0 |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |
Net Carrying Value | 16,482,000 |  |  | 16,482,000 |  |  | 39,490,000
Distribution networks |  |  |  |  |  |  |
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Gross Carrying Value | 38,060,000 |  |  | 38,060,000 |  |  | 38,060,000
Accumulated Amortization | 38,060,000 |  |  | 38,060,000 |  |  | 38,060,000
Net Carrying Value | 0 |  |  | 0 |  |  | 0
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |
Net Carrying Value | 0 |  |  | 0 |  |  | 0
Completed technologies |  |  |  |  |  |  |
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Gross Carrying Value | 21,917,000 |  |  | 21,917,000 |  |  | 31,987,000
Accumulated Amortization | 11,678,000 |  |  | 11,678,000 |  |  | 9,160,000
Net Carrying Value | 10,239,000 |  |  | 10,239,000 |  |  | 22,827,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |
Net Carrying Value | 10,239,000 |  |  | 10,239,000 |  |  | 22,827,000
Completed technologies | Sualab [Member] |  |  |  |  |  |  |
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Intangible asset impairment charges |  | 10,070,000 |  |  |  |  |
Customer relationships |  |  |  |  |  |  |
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Gross Carrying Value | 10,578,000 |  |  | 10,578,000 |  |  | 14,407,000
Accumulated Amortization | 6,980,000 |  |  | 6,980,000 |  |  | 6,402,000
Net Carrying Value | 3,598,000 |  |  | 3,598,000 |  |  | 8,005,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |
Net Carrying Value | 3,598,000 |  |  | 3,598,000 |  |  | 8,005,000
Customer relationships | Sualab [Member] |  |  |  |  |  |  |
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Intangible asset impairment charges |  | 3,382,000 |  |  |  |  |
Customer relationships | EnShape GmbH [Member] |  |  |  |  |  |  |
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Accumulated Amortization |  |  |  |  |  | $ 228,000 |
Intangible asset impairment charges |  | 219,000 |  |  |  |  |
Intangible assets acquired |  | 0 |  |  |  | $ 447,000 |
In-process technologies |  |  |  |  |  |  |
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Gross Carrying Value | 2,300,000 |  |  | 2,300,000 |  |  | 8,200,000
Accumulated Amortization | 0 |  |  | 0 |  |  | 0
Net Carrying Value | 2,300,000 |  |  | 2,300,000 |  |  | 8,200,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |
Net Carrying Value | 2,300,000 |  |  | 2,300,000 |  |  | 8,200,000
In-process technologies | Sualab [Member] |  |  |  |  |  |  |
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Intangible asset impairment charges |  | $ 5,900,000 |  |  |  |  |
Non-compete agreements |  |  |  |  |  |  |
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Gross Carrying Value | 710,000 |  |  | 710,000 |  |  | 710,000
Accumulated Amortization | 422,000 |  |  | 422,000 |  |  | 350,000
Net Carrying Value | 288,000 |  |  | 288,000 |  |  | 360,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |
Net Carrying Value | 288,000 |  |  | 288,000 |  |  | 360,000
Trademarks |  |  |  |  |  |  |
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Gross Carrying Value | 110,000 |  |  | 110,000 |  |  | 110,000
Accumulated Amortization | 53,000 |  |  | 53,000 |  |  | 12,000
Net Carrying Value | 57,000 |  |  | 57,000 |  |  | 98,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |
Net Carrying Value | 57,000 |  |  | 57,000 |  |  | $ 98,000
Indefinite-lived intangible asset excluding in-process technologies |  |  |  |  |  |  |
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks |  |  |  |  |  |  |
Net Carrying Value | 14,182,000 |  |  | 14,182,000 |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |
Remainder of fiscal 2020 | 831,000 |  |  | 831,000 |  |  |
2021 | 3,272,000 |  |  | 3,272,000 |  |  |
2022 | 2,902,000 |  |  | 2,902,000 |  |  |
2023 | 2,211,000 |  |  | 2,211,000 |  |  |
2024 | 1,697,000 |  |  | 1,697,000 |  |  |
2025 | 1,374,000 |  |  | 1,374,000 |  |  |
Thereafter | 1,895,000 |  |  | 1,895,000 |  |  |
Net Carrying Value | $ 14,182,000 |  |  | $ 14,182,000 |  |  |

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