Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Feb. 26, 2022	Feb. 27, 2021
Net income	$ 5,573	$ 4,011
Other comprehensive income:
Other comprehensive income, net of tax	49	35
Total comprehensive income	5,622	4,046
Pension Plan [Member]
Other comprehensive income:
Income taxes	(8)	(9)
Supplemental Employee Retirement Plan [Member]
Other comprehensive income:
Income taxes	$ (8)	$ (3)