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Fair Value and Derivative Instruments - Foreign Currency Forward Contracts (Details) - 6 months ended Jun. 27, 2020 $ in Thousands, $ in Thousands | USD ($) | TWD ($)
--- | --- | ---
Derivative [Line Items] |  |
Amount expected to be reclassified | $ 200 |
Foreign exchange forward contracts |  |
Derivative [Line Items] |  |
Derivative, notional amount | 9,588 |
Buy | Euro Dollar | Foreign exchange forward contracts |  |
Derivative [Line Items] |  |
Derivative, notional amount | 1,996 | $ 1,897
Sell | Japanese Yen | Foreign exchange forward contracts |  |
Derivative [Line Items] |  |
Derivative, notional amount | 13,766 | 1,475,099
Sell | Korean Won | Foreign exchange forward contracts |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ 2,182 | $ 2,613,516

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