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Income Taxes - Continuing and Discontinued Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Continuing Operations $ 18,482 $ 26,070 $ 12,083
Discontinued Operation 0 0 2
Provision for Income Taxes Including Discontinued Operation $ 18,482 $ 26,070 $ 12,085