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Debt - Debt Maturities (Details) - USD ($)
$ in Thousands
Dec. 28, 2017
Dec. 29, 2016
Debt    
2018 $ 3,500  
2019 3,500  
2020 4,375  
2021 43,625  
2022 3,500  
Thereafter 135,000  
Total minimum debt payments $ 193,500 $ 400,000