Employee Benefit Plans (Defined Contribution Plans) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 24, 2022	Sep. 25, 2021	Sep. 24, 2022	Sep. 25, 2021
Non-Collective-Bargaining Plan
Defined Contribution Plans [Line Items]
Percentage of employees covered			90.00%
Employer matching contribution, percentage			1.00%
Employer matching contribution, discretionary percentage			2.00%
Maximum annual contribution per employee, percentage			3.00%
Cost recognized	$ 94	$ 501	$ 189	$ 920
Collective-Bargaining Plan
Defined Contribution Plans [Line Items]
Percentage of employees covered			10.00%
Maximum annual contribution per employee, percentage			2.75%
Cost recognized	$ 14	$ 21	$ 60	$ 63