Employee Benefit Plans (Periodic Benefit Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Service cost	$ 8	$ 8
Interest cost	15	16
Recognized net actuarial gains	(22)	(22)
Net periodic benefit cost	$ 1	$ 2
DefinedBenefitPlanNetPeriodicBenefitCostCreditAmortizationOfGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleListNotDisclosedFlag	Recognized net actuarial gains	Recognized net actuarial gains