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Other Income, Net (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018
Other Income, Net |  |  |
Interest income | $ 3,817 | $ 9,509 | $ 8,070
Gains (losses) on marketable equity investments | (148) | 713 | (551)
Gains (losses) on non-marketable equity investments | (4,806) | (4,802) | 3,300
Gains (losses) on securities in NQDC trust | 4,881 | 5,402 | (1,471)
Gains (losses) on foreign exchange | 4,429 | (4,111) | (5,557)
Other expense, net | (228) | (710) | (471)
Total other income, net | $ 7,945 | $ 6,001 | $ 3,320

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