Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Effective income tax (benefit) rate	3.04%	0.59%
Net deferred tax liability	$ 91		$ 91
Unrecognized tax benefits	549		518
Income tax penalties and interest accrued	$ 0		$ 0