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Long-Term Debt and Credit Arrangements (Acquisition Note Payable - Development Authority of Gordon County) (Details)
$ in Thousands
9 Months Ended
Sep. 24, 2016
USD ($)
mo
Dec. 26, 2015
USD ($)
Nov. 02, 2012
USD ($)
Rate
Debt Instrument [Line Items]      
Acquisition note payable - Development Authority of Gordon County $ 1,446 $ 2,314  
Note payable, Development Authority [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage | Rate     6.00%
Acquisition note payable - Development Authority of Gordon County     $ 5,500
Debt Instrument, Periodic Payment $ 106    
Term of Development Authority of Gordon County (in months) | mo 57