Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 27, 2022	Aug. 28, 2021	Aug. 27, 2022	Aug. 28, 2021
Net income	$ 7,628	$ 3,016	$ 60,319	$ 13,001
Other comprehensive income:
Other comprehensive income, net of tax	48	35	144	104
Total comprehensive income	7,676	3,051	60,463	13,105
Pension Plan [Member]
Other comprehensive income:
Amortization associated with Long Term Cash Awards (LTCA)	33	36	99	108
Income taxes related to LTCA	(8)	(9)	(24)	(28)
Supplemental Employee Retirement Plan [Member]
Other comprehensive income:
Amortization associated with Long Term Cash Awards (LTCA)	31	11	93	33
Income taxes related to LTCA	$ (8)	$ (3)	$ (24)	$ (9)