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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 27, 2019 | Sep. 28, 2018 | Sep. 27, 2019 | Sep. 28, 2018
Other comprehensive income (loss): |  |  |  |
Unrealized gains or losses on available-for-sale securities, tax impact | $ (129) | $ 0 | $ (936) | $ 0
Reclassification adjustments to net income resulting from realized gains or losses on sale of securities | $ 0 | $ 0 | $ 0 | $ 0

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