Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2021	Sep. 27, 2020	Sep. 26, 2021	Sep. 27, 2020
Income Tax Disclosure [Abstract]
Income tax expense	$ 20,290	$ 7,283	$ 47,994	$ 19,070
Effective income tax rate from continuing operations	27.10%	17.80%	24.20%	17.50%