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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. 30, 2017 | Dec. 31, 2016
Schedule Of Finite and Indefinite Intangible Assets [Line Items] |  |
Amortized intangible assets, Net carrying amount | $ 7,324 |
Total, Gross carrying amount | 40,908 | $ 38,301
Total, Net carrying amount | 35,154 | 34,349
Trade Name And Trademarks [Member] |  |
Schedule Of Finite and Indefinite Intangible Assets [Line Items] |  |
Amortized intangible assets, Gross carrying amount | 4,080 | 3,820
Amortized intangible assets, Accumulated amortization | (3,010) | (2,440)
Amortized intangible assets, Net carrying amount | $ 1,070 | $ 1,380
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 | $ 8,998 | $ 8,424
Amortized intangible assets, Accumulated amortization | (2,744) | (1,512)
Amortized intangible assets, Net carrying amount | $ 6,254 | $ 6,912
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 | $ 27,830 | $ 26,057

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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://www.xbrl.org/2003/role/presentationRef -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/presentationRef -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 after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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