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Provision for Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 29, 2019
Jun. 30, 2018
Jun. 29, 2019
Jun. 30, 2018
Income Tax Disclosure [Abstract]        
Provision for income taxes $ 3,128 $ 5,271 $ 7,091 $ 9,132
Effective tax rate     21.00% 28.00%