Income Taxes - Changes in Valuation Allowance on Deferred Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 25, 2022
Valuation Allowance on Deferred Tax Rollforward [Roll Forward]
Beginning balance	$ 32,052	$ 28,598
Charged to costs and expenses	5,470	3,454
Other	87
Ending balance	$ 37,609	$ 32,052