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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Income Tax Contingency [Line Items]    
Effective tax rate 3.30% 22.60%
Other tax expense (benefit) $ (700)  
Federal    
Income Tax Contingency [Line Items]    
Valuation allowance, deferred tax asset, increase (decrease) $ 7,000