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Intangible Assets Intangible Assets - Future Amortization Expense (Details) - USD ($)
$ in Thousands
Jun. 29, 2019
Dec. 29, 2018
Goodwill and Intangible Assets Disclosure [Abstract]    
2019 (balance of year) $ 4,373  
2020 3,842  
2021 3,673  
2022 2,309  
2023 1,719  
Thereafter 11,717  
Intangible assets, net $ 27,633 $ 27,924