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Equipment Note Payable and Financial Arrangements - Schedule of Long Term Notes Payable (Details) - USD ($)
$ in Thousands
Jan. 25, 2019
Nov. 02, 2018
Jan. 26, 2018
Debt Disclosure [Abstract]      
Secured equipment notes payable to Wells Fargo Bank, N.A. collateralized by equipment for the new Chicago processing facility. $ 7,500  
Less current portion of notes payable (944)
Total long-term notes payable $ 6,556