Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2021	Sep. 27, 2020	Sep. 26, 2021	Sep. 27, 2020	Mar. 27, 2020
Income Tax Disclosure [Abstract]
Expense (benefit) from income taxes	$ 1,495	$ 4,194	$ 6,730	$ (1,582)
Effective income tax rate (as a percent)	5.10%	21.00%	10.90%	(4.20%)
Payroll tax funding deferral					$ 37,000