Intangible Assets (Schedule Of Goodwill) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 28, 2019 |
Dec. 29, 2018 |
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| Intangible Assets [Abstract] | ||
| Gross goodwill, Balance at beginning of year | $ 16,815 | $ 17,417 |
| Net goodwill as of beginning of year | 16,815 | 17,417 |
| Currency translation adjustments | (179) | (602) |
| Gross goodwill, Balance as of end of year | 16,636 | 16,815 |
| Net goodwill, Balance as of end of year | $ 16,636 | $ 16,815 |
| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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