Revenue And Contract Liabilities (Narrative) (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 28, 2020 |
Mar. 30, 2019 |
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| Revenue And Contract Liabilities [Abstract] | ||
| Other revenue | $ 643 | $ 466 |
| X | ||||||||||
- Definition Amount of revenue and income classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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