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Business Segments (Details 1)
3 Months Ended 12 Months Ended
Apr. 01, 2017
Apr. 02, 2016
Dec. 31, 2016
Customer C Sales [Member] | Ingredients Segment [Member]      
Customer concentration risk [1] 27.40%  
Customer C Receivables [Member] | Ingredients Segment [Member]      
Customer concentration risk 53.10%   45.80%
Customer D Receivables [Member] | Ingredients and Core Segment [Member]      
Customer concentration risk [1]   10.20%
[1] Represents less than 10%.