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Intangible Assets (Schedule Of Finite And Indefinite Lived Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 29, 2018 | Dec. 30, 2017
Schedule Of Finite and Indefinite Intangible Assets [Line Items] |  |
Amortized intangible assets, Net carrying amount | $ 5,501 |
Total, Gross carrying amount | 38,674 | $ 40,908
Total, Net carrying amount | 31,811 | 35,154
Trade Name And Trademarks [Member] |  |
Schedule Of Finite and Indefinite Intangible Assets [Line Items] |  |
Amortized intangible assets, Gross carrying amount | 3,858 | 4,080
Amortized intangible assets, Accumulated amortization | (3,226) | (3,010)
Amortized intangible assets, Net carrying amount | $ 632 | $ 1,070
Weighted-average amortization period (years) | 10 years | 10 years
Product Formulas [Member] |  |
Schedule Of Finite and Indefinite Intangible Assets [Line Items] |  |
Amortized intangible assets, Gross carrying amount | $ 8,506 | $ 8,998
Amortized intangible assets, Accumulated amortization | (3,637) | (2,744)
Amortized intangible assets, Net carrying amount | $ 4,869 | $ 6,254
Weighted-average amortization period (years) | 8 years | 8 years
Direct Sales License [Member] |  |
Schedule Of Finite and Indefinite Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets, Gross carrying amount | $ 26,310 | $ 27,830

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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