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Summary of Significant Accounting Policies (Details Narrative)
12 Months Ended
Dec. 29, 2017
USD ($)
reporting_unit
Dec. 30, 2016
USD ($)
Dec. 25, 2015
USD ($)
Accounting Policies [Abstract]      
Shipping and handling costs $ 70,108,000 $ 62,062,000 $ 54,172,000
Protein processing costs 18,660,000 17,320,000 14,626,000
Total purchase incentives 17,265,000 13,670,000 11,109,000
Property, Plant and Equipment [Line Items]      
Capitalized software costs, net of accumulated amortization 6,034,000 5,927,000  
Impairment of long-lived assets 0 0 0
Unamortized costs of certain up-front costs 1,284,000 1,632,000  
Unamortized costs if issuance of other debt instruments 8,027,000 8,979,000  
Amortization of debt issuance costs $ 2,084,000 1,807,000 1,228,000
Number of reporting units | reporting_unit 2    
Matching contribution under 401k plan $ 1,172,000 $ 1,049,000 $ 858,000
Other Commitments [Line Items]      
Self-insurance stoploss threshold 175,000    
Workers Compensation      
Other Commitments [Line Items]      
Self insured retention amount per claim 350,000    
Automobiles      
Other Commitments [Line Items]      
Self insured retention amount per claim $ 250,000    
Software and Software Development Costs | Minimum      
Property, Plant and Equipment [Line Items]      
Useful life of computer software 3 years    
Software and Software Development Costs | Maximum      
Property, Plant and Equipment [Line Items]      
Useful life of computer software 7 years