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Long-Term Debt Future Maturities (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Jan. 01, 2017
Debt Disclosure [Abstract]    
Next Twelve Months $ 1,808  
Year Two 1,935  
Year Three 1,341  
Year Four 288  
Year Five 275,158  
Thereafter 151  
Long-term Debt $ 280,681 $ 220,539