Derivative Instruments - Forward Contract Hedges in the Consolidated Condensed Balance Sheets (Details) - Cash Flow Hedging - Designated as hedging instrument - Foreign Currency Forward Contracts - USD ($) $ in Thousands |
Apr. 03, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Other accrued liabilities | ||
| Derivative [Line Items] | ||
| Foreign currency forward designated as cash flow hedge, liability | $ 423 | $ 185 |
| Other non-current liabilities | ||
| Derivative [Line Items] | ||
| Foreign currency forward designated as cash flow hedge, liability | $ 23 |