Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 30, 2020	Jun. 01, 2019	May 30, 2020	Jun. 01, 2019
Net income (loss)	$ (20,352)	$ 445	$ (19,142)	$ 1,053
Other comprehensive income:
Other comprehensive income, net of tax	25	57	49	114
Total comprehensive income (loss)	(20,327)	502	(19,093)	1,167
Pension Plan [Member]
Other comprehensive income:
Amortization associated with Retirement Plan	31	31	63	62
Income taxes related to Retirement Plan	(8)	(8)	(16)	(16)
Supplemental Employee Retirement Plan [Member]
Other comprehensive income:
Amortization associated with Retirement Plan	2	46	3	92
Income taxes related to Retirement Plan	$ 0	$ (12)	$ (1)	$ (24)