Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2021	Jun. 28, 2020	Jun. 27, 2021	Jun. 28, 2020
Income Tax Disclosure [Abstract]
Income tax expense	$ 18,243	$ 5,781	$ 27,704	$ 11,787
Effective income tax rate from continuing operations	25.10%	19.60%	22.50%	17.30%