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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Oct. 02, 2020
Sep. 27, 2019
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 156,541 $ 143,028
Preferred Stock, Shares Issued 0 0
Common Stock, Shares, Issued   8,834,169
Treasury Stock, Shares 36,316 29,225
Class A    
Common Stock, Shares, Issued 8,873,235  
Common Stock, Shares, Outstanding 8,873,235 8,834,169
Class B    
Common Stock, Shares, Issued 1,211,564 1,211,602
Common Stock, Shares, Outstanding 1,211,564 1,211,602