Revenue (Contract Balances) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021
Revenue from Contract with Customer [Abstract]
Beginning contract liability	$ 1,285	$ 1,005
Revenue recognized from contract liabilities included in the beginning balance	(1,104)	(927)
Increases due to cash received, net of amounts recognized in revenue during the period	874	1,207
Ending contract liability	$ 1,055	$ 1,285