Marketable Securities - SERP Investments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021
Net Investment Income [Line Items]
Investment Income (Loss) and Interest Expense	$ 13,162	$ (82)	$ 5,007
Supplemental Employee Retirement Plan [Member]
Net Investment Income [Line Items]
Investment Income (Loss) and Interest Expense	$ 3,700	$ (3,800)	$ 3,400