Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Income tax expense	$ 5,781	$ 9,415	$ 11,787	$ 10,719
Effective income tax rate from continuing operations	19.60%	27.20%	17.30%	16.20%