Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Schedule Of Finite And Indefinite Lived Intangible Assets) (Details)

v3.19.3.a.u2
Intangible Assets (Schedule Of Finite And Indefinite Lived Intangible Assets) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Schedule Of Finite and Indefinite Intangible Assets [Line Items]    
Amortized intangible assets, Net carrying amount $ 3,982  
Total, Gross carrying amount 38,009 $ 38,674
Total, Net carrying amount 29,840 31,811
Trade Name And Trademarks [Member]    
Schedule Of Finite and Indefinite Intangible Assets [Line Items]    
Amortized intangible assets, Gross carrying amount 3,791 3,858
Amortized intangible assets, Accumulated amortization (3,548) (3,226)
Amortized intangible assets, Net carrying amount $ 243 $ 632
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 $ 8,360 $ 8,506
Amortized intangible assets, Accumulated amortization (4,621) (3,637)
Amortized intangible assets, Net carrying amount $ 3,739 $ 4,869
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 $ 25,858 $ 26,310