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Accounts Payable (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Jan. 01, 2017
Payables and Accruals [Abstract]    
Accounts Payable, Trade $ 20,492 $ 24,615
Bank Overdrafts 10,882 8,587
Accounts Payable, Current $ 31,374 $ 33,202