Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Aug. 25, 2018	Aug. 26, 2017	Aug. 25, 2018	Aug. 26, 2017
Net income	$ 2,945	$ 4,579	$ 6,321	$ 13,282
Other comprehensive income:
Other comprehensive income, net of tax	80	73	240	(368)
Total comprehensive income	3,025	4,652	6,561	12,914
Pension Plan [Member]
Other comprehensive income:
Recognize prior service cost associated with Long Term Cash Awards (LTCA)				(932)
Amortization associated with Long Term Cash Awards (LTCA)	31	24	93	49
Income taxes related to LTCA	(8)	(9)	(24)	341
Amortization associated with supplemental executive retirement defined benefit plan (SERP)	31	24	93	49
Income taxes related to SERP	(8)	(9)	(24)	341
Supplemental Employee Retirement Plan [Member]
Other comprehensive income:
Amortization associated with Long Term Cash Awards (LTCA)	76	94	228	281
Income taxes related to LTCA	(19)	(36)	(57)	(107)
Amortization associated with supplemental executive retirement defined benefit plan (SERP)	76	94	228	281
Income taxes related to SERP	$ (19)	$ (36)	$ (57)	$ (107)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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