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VENTURE CAPITAL AND STRATEGIC EQUITY INVESTMENTS - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 27, 2020 | Jun. 29, 2019 | Jun. 27, 2020 | Jun. 29, 2019 | Dec. 28, 2019
Equity Method Investments and Joint Ventures [Abstract] |  |  |  |  |
Venture capital investments | $ 124,730 |  | $ 124,730 |  | $ 108,983
Committed contribution | 130,400 |  | 130,400 |  |
Amount funded for venture capital investments | 87,500 |  | 87,500 |  |
Dividends received | 2,400 | $ 900 | 3,300 | $ 1,600 |
Foreign currency gains (losses) recognized | 23,900 | $ (4,300) | 11,900 | $ 6,300 |
Strategic equity investments | $ 17,087 |  | $ 17,087 |  | $ 13,996

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