Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Nov. 27, 2021	Nov. 28, 2020	Nov. 30, 2019
Operating activities:
Net income (loss)	$ 18,042	$ (10,421)	$ (1,928)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	14,597	13,480	13,500
Goodwill, Impairment Loss	0	1,971	1,926
Non-cash asset impairment charges	0	12,184	4,431
Non-cash portion of lease exit costs	0	0	149
Bad debt valuation charges	(156)	492	61
Net (gain) loss on disposals of property and equipment	(367)	(81)	515
Gains on lease modifications	(37)	(1,313)	0
Inventory valuation charges	2,969	4,922	2,254
Deferred income taxes	1,545	2,513	(2,890)
Other, net	765	(51)	1,497
Changes in operating assets and liabilities
Accounts receivable	(5,672)	(1,454)	(2,616)
Inventories	(26,087)	6,494	(5,196)
Other current and long-term assets	(2,241)	(9,325)	1,017
Right of use assets under operating leases	26,243	32,107	0
Customer deposits	11,730	14,421	(1,816)
Accounts payable and accrued liabilities	2,153	5,965	(1,095)
Obligations under operating leases	(28,921)	(35,229)	0
Net cash provided by operating activities	14,563	36,675	9,809
Investing activities:
Purchases of property and equipment	(10,750)	(6,029)	(17,375)
Proceeds from sales of property and equipment	382	2,345	1,643
Cash paid for business acquisitions, net of cash acquired	0	0	0
Puchases of investments	0	(295)	0
Proceeds from maturities of investments	0	16	5,207
Other	(1,203)	216	(648)
Net cash used in investing activities	(11,571)	(3,747)	(11,173)
Financing activities:
Cash dividends	(7,689)	(4,544)	(5,133)
Proceeds from exercise of stock options	42	0	25
Issuance of common stock	363	285	328
Repurchases of common stock	(5,566)	(2,208)	(7,345)
Taxes paid related to net share settlement of equity awards	(219)	(228)	0
Repayment of finance lease obligations	(1,348)	(121)	0
Payments on notes and equipment loans	0	0	(292)
Net cash used in financing activities	(14,417)	(6,816)	(12,417)
Change in cash and cash equivalents	(11,425)	26,112	(13,781)
Cash and cash equivalents - beginning of year	45,799	19,687	33,468
Cash and cash equivalents - end of year	$ 34,374	$ 45,799	$ 19,687